Why you would probably obtain inaccurate results if you used the titration data you collected in this experiment to calculate the actual percent of C3H5O(COOH)3 in a juice sample?

Why you would probably obtain inaccurate results if you used the titration data you collected in this experiment to calculate the actual percent of C3H5O(COOH)3 in a juice sample?
by

1 Answer

Answer :

Need answer
by
selected by

Related questions

Secondary data is collected through 1. Observation 2. Survey 3. Official record 4. Experiment 5. None of these

Description : Secondary data is collected through 1. Observation 2. Survey 3. Official record 4. Experiment 5. None of these

Last Answer : Official record

Primary data is generally collected through 1. Survey 2. Experiment 3. Observation 4. Census report 5. None of these

Description : Primary data is generally collected through 1. Survey 2. Experiment 3. Observation 4. Census report 5. None of these

Last Answer : Survey

in titration of 25 mL of the solution containing Cu2+ with the concentration of 0.01 molar , with SCN – (0.01 Molar) , if we use the indicator that changed its color in PSCN= 9. Calculate the error of titration PKSP(CuSCN) =13.4?

Description : in titration of 25 mL of the solution containing Cu2+ with the concentration of 0.01 molar , with SCN – (0.01 Molar) , if we use the indicator that changed its color in PSCN= 9. Calculate the error of titration PKSP(CuSCN) =13.4?

Last Answer : just the color change from the indicator. Thus, a careful selection of the indicator will reduce the indicator error. For example, if the equivalence point is at a pH of 8.4, then the ... are in the range of aqueous pH changes are of little use. Instead, the titrant and indicator used

How to calculate sample size covering a percent of a population?

Description : How to calculate sample size covering a percent of a population?

Last Answer : http://www.surveysystem.com/sscalc.htm

Is rain water collected from a roof really that dangerous for an outdoor fish pond if added in small quantities (less than 5% water volume) or is it probably okay?

Description : Is rain water collected from a roof really that dangerous for an outdoor fish pond if added in small quantities (less than 5% water volume) or is it probably okay?

Last Answer : uberbatman will be able to answer this

Pancreatic juice is collected by small ducts from Acini, these are (a) Wirsung duct (b) Ducts of santorini (c) Wharton's duct (d) None

Description : Pancreatic juice is collected by small ducts from Acini, these are (a) Wirsung duct (b) Ducts of santorini (c) Wharton's duct (d) None

Last Answer : (b) Ducts of santorini

What can be the first step done to identify the organisms present in a sample of stool collected from a patient who is suffering from severe diarrhea?

Description : What can be the first step done to identify the organisms present in a sample of stool collected from a patient who is suffering from severe diarrhea?

Last Answer : What is the answer ?

While taking sample of water from well, sample is collected a)About 2 metre above the bottom of wel b) About 1 metre above the bottom of well * c)About 1 metres below the bottom of well d) none of the above

Description : While taking sample of water from well, sample is collected a)About 2 metre above the bottom of wel b) About 1 metre above the bottom of well * c)About 1 metres below the bottom of well d) none of the above

Last Answer : b) About 1 metre above the bottom of well *

A sample of soil 10 cm height and 50 cm2 in c/s area water flows through the soil under a constant head of 80 cm. Water collected in 9 minutes is 450 C.C. Find the coefficient of permeability.

Description : A sample of soil 10 cm height and 50 cm2 in c/s area water flows through the soil under a constant head of 80 cm. Water collected in 9 minutes is 450 C.C. Find the coefficient of permeability. 

Last Answer : Solution: 

In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_(2)O_(7)` solution of molarity `M_(1)`

Description : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_(2)O_(7)` solution of molarity `M_(1)`

Last Answer : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_ ... V_(2)` D. `M_(1)V_(1)=M_(2)V_(2)`

On business reply postal mails, the charge to be collected are a) The actual postage due on the article b) Handling charge c) The usual postage charge plus handling charge d) None of these

Description : On business reply postal mails, the charge to be collected are a) The actual postage due on the article b) Handling charge c) The usual postage charge plus handling charge d) None of these

Last Answer : c) The usual postage charge plus handling charge

A hypertensive patient has been using nifedipine for some time without untoward effects. If he experiences a rapidly developing enhancement of the antihypertensive effect of the drug, it is probably due to (a) Concomitant use of antacids (b) Fods containing tyramine (c) Grapefruit juice (d) Induction of drug metabolism (e) Over – the – counter decongestants

Description : A hypertensive patient has been using nifedipine for some time without untoward effects. If he experiences a rapidly developing enhancement of the antihypertensive effect of the drug, it is probably due to ... ) Grapefruit juice (d) Induction of drug metabolism (e) Over - the - counter decongestants

Last Answer : Ans: C

____ juice is probably the most commonly processed juice. a. Apple c. Orange b. Lemon d. Cranberry

Description : ____ juice is probably the most commonly processed juice. a. Apple c. Orange b. Lemon d. Cranberry

Last Answer : c. Orange

What term is fedined as anything that can distort data and lead to inaccurate conclusions?

Description : What term is fedined as anything that can distort data and lead to inaccurate conclusions?

Last Answer : bias

What term is fedined as anything that can distort data and lead to inaccurate conclusions?

Description : What term is fedined as anything that can distort data and lead to inaccurate conclusions?

Last Answer : bias

Using the data in question 7, calculate number of observations that are two or more sample standard deviations from the sample mean. a. 0 b. 1 c. 2 d. 3

Description : Using the data in question 7, calculate number of observations that are two or more sample standard deviations from the sample mean. a. 0 b. 1 c. 2 d. 3

Last Answer : a. 0

In Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300K=15 mm).

Description : In Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300K=15 mm).

Last Answer : Volume of nitrogen collected at 300K and 715mm pressure is 50 mL Actual pressure = 715-15 =700 mm Volume of Nitrogen at STP=273*700*50/300*760 =41.9 ml 22400 ml of Nitrogen at STP weighs = 28 g 41.9 ml of Nitrogen weighs = 28*41.9/22400 g % of Nitrogen = 28*41.9*100/22400*0.3 = 17.45 %

A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap? (a) Acidic (b) Alkaline (c) Low refractive index (d) Absence of sugar

Description : A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap? (a) Acidic (b) Alkaline (c) Low refractive index (d) Absence of sugar

Last Answer : (b) Alkaline

Sales revenue a. may be recorded before cash is collected. b. will always equal cash collections in a month. c. only results from credit sales. d. is only recorded after cash is collected.

Description : Sales revenue a. may be recorded before cash is collected. b. will always equal cash collections in a month. c. only results from credit sales. d. is only recorded after cash is collected.

Last Answer : a. may be recorded before cash is collected.

The University Book Shop selects 200 of its more than 8,000 customers to participate in a study on service quality in the shop. The Book Shop has established a ________ for use in its research: A)population B)field setting C)dependent grouping D)sample E)experiment

Description : The University Book Shop selects 200 of its more than 8,000 customers to participate in a study on service quality in the shop. The Book Shop has established a ________ for use in its research: A)population B)field setting C)dependent grouping D)sample E)experiment

Last Answer : D)sample

What describes a process of continuously measuring results and comparing those results to optimal performance so that actual performance may be improved? a. Performance b. Capacity planning c. Benchmarking d. Data cleansing

Description : What describes a process of continuously measuring results and comparing those results to optimal performance so that actual performance may be improved? a. Performance b. Capacity planning c. Benchmarking d. Data cleansing

Last Answer : c. Benchmarking

A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33

Description : A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33

Last Answer : ANSWER: X -- 2.75

In what ratio water be mixed with juice costing Rs.12 per liter to obtain a mixture worth of Rs.8 per litre? A)2:3 B)2:1 C)1:2 D)3:2

Description : In what ratio water be mixed with juice costing Rs.12 per liter to obtain a mixture worth of Rs.8 per litre? A)2:3 B)2:1 C)1:2 D)3:2

Last Answer : C)1:2

A 17-year-old patient involved in an automobile accident is paralyzed with multiple peripheral extremity injuries. Nutritional support is instituted with a transnasal feeding catheter. Which of the following statement(s) is/are true concerning the patient’s management? a. Feeding into the stomach results in stimulation of the biliary/pancreatic axis which is probably trophic for small bowel b. Gastric secretions will dilute the feedings increasing the risk of diarrhea c. The major risk in this patient is tracheobronchial aspiration d. Placement of the feeding catheter through the pylorus into the first portion of the duodenum reduces the risk of regurgitation and aspiration

Description : A 17-year-old patient involved in an automobile accident is paralyzed with multiple peripheral extremity injuries. Nutritional support is instituted with a transnasal feeding catheter. Which of the ... pylorus into the first portion of the duodenum reduces the risk of regurgitation and aspiration

Last Answer : Answer: a, c, d The use of transnasal feeding catheters for intragastric feeding or for duodenal intubation are popular adjuncts for providing nutritional support by the enteral route. The ... the fourth portion of the duodenum reduces the risk of regurgitation and aspiration of feeding formulas

When the results of a Pap smear are reported as class 5, the nurse recognizes that the common interpretation is a) malignant. A class 5 Pap smear, according to the Bethesda Classification, indicates squamous cell carcinoma. b) normal. A class 1 Pap smear is interpreted as normal. c) probably normal. A class 2 Pap smear is interpreted as probably normal. d) suspicious. A class 3 Pap smear is interpreted as suspicious.

Description : When the results of a Pap smear are reported as class 5, the nurse recognizes that the common interpretation is a) malignant. A class 5 Pap smear, according to the Bethesda Classification, ... is interpreted as probably normal. d) suspicious. A class 3 Pap smear is interpreted as suspicious.

Last Answer : a) malignant. A class 5 Pap smear, according to the Bethesda Classification, indicates squamous cell carcinoma.

If Adidas needs to survey retailers attitudes on the availability of product literature in athletic shoe shops and needs the results within four working days, Adidas will probably use _________ survey. A)a mail B)a telephone C)a mall intercept D)a personal interview E)an in-home survey

Description : If Adidas needs to survey retailers attitudes on the availability of product literature in athletic shoe shops and needs the results within four working days, Adidas will probably use _________ survey. A)a mail B)a telephone C)a mall intercept D)a personal interview E)an in-home survey

Last Answer : B)a telephone

Why the titration of Na2CO3 and HCl solutions is not completed using Ph.Ph indicator?

Description : Why the titration of Na2CO3 and HCl solutions is not completed using Ph.Ph indicator?

Last Answer : Google

What is the titration method ?

Description : What is the titration method ?

Last Answer : Titration or titration: The method of determining the density of a test solution by determining the equivalent volume of a proof solution by performing a quantitative reaction of a proof solution with a test solution of a certain volume in the presence of a suitable indicator.

What is Titration ?

Description : What is Titration ?

Last Answer : Titration is the process of determining the density of an unknown solution by reacting another unknown solid solution with a solution of a certain density.

What is Titration ?

Description : What is Titration ?

Last Answer : The method of determining the density of a test solution by determining the equivalent volume of a proof solution by performing a quantitative reaction of a proof solution with a test solution of a certain volume in the presence of a suitable indicator is called titration.

Which of the following plots will obtained for a conductomeric titration of strong acid against a weak base?

Description : Which of the following plots will obtained for a conductomeric titration of strong acid against a weak base?

Last Answer : Which of the following plots will obtained for a conductomeric titration of strong acid against a weak base? A. B. C. D.

During the titration of a mixture of `Na_(2)CO_(3)` and `NaHCO_(3)` against HCl :

Description : During the titration of a mixture of `Na_(2)CO_(3)` and `NaHCO_(3)` against HCl :

Last Answer : During the titration of a mixture of `Na_(2)CO_(3)` and `NaHCO_(3)` against HCl : A ... is used to detect the first and second end point

Amount of oxalic acid present in a solution can be determined by its titration with `KMnO_(4)` solution in the presence of `H_(2)SO_(4)`. The titratio

Description : Amount of oxalic acid present in a solution can be determined by its titration with `KMnO_(4)` solution in the presence of `H_(2)SO_(4)`. The titratio

Last Answer : Amount of oxalic acid present in a solution can be determined by its titration with `KMnO_(4)` ... . D. gets oxidised by oxalic acid to chlorine.

25 mL of household bleach solution was mixed with 30 mL of o.50 M Kl and 10 mL of 4N acetic acid. In the titration of the liberated iodine, 48 mL of 0

Description : 25 mL of household bleach solution was mixed with 30 mL of o.50 M Kl and 10 mL of 4N acetic acid. In the titration of the liberated iodine, 48 mL of 0

Last Answer : 25 mL of household bleach solution was mixed with 30 mL of o.50 M Kl and 10 mL of 4N acetic acid. In the titration ... B. 0.96 M C. 0.24 M D. 0.024 M

A mixture containing `As_(2)O_(3)` and `As_(2)O_(5)` required 20 mL of 0.05 N iodine solution for titration. The resulting solution is then acidified

Description : A mixture containing `As_(2)O_(3)` and `As_(2)O_(5)` required 20 mL of 0.05 N iodine solution for titration. The resulting solution is then acidified

Last Answer : A mixture containing `As_(2)O_(3)` and `As_(2)O_(5)` required 20 mL of 0.05 N iodine solution for ... +2H_(2)O " " `(Atomic weight : As = 75)

When an indicator changes color during a titration it is a sign that .?

Description : When an indicator changes color during a titration it is a sign that .?

Last Answer : What is the answer ?

The specific gravity of the electrolyte in a lead-acid battery is measured by a _____________. A. gould plate B. titration pipette C. hydrometer D. litmus paper test

Description : The specific gravity of the electrolyte in a lead-acid battery is measured by a _____________. A. gould plate B. titration pipette C. hydrometer D. litmus paper test

Last Answer : Answer: C

Which of the following methods are employed for determination of free and combined chlorine residuals in water ? 1. Starch-iodide method 2. Orthotolidine method 3. Amperometric titration method 4. SNORT method 5. DPD method a) 1, 2, 4 and 5 b) 1, 2 and 3 only c) 3, 4 and 5 only d) 2, 3, and 4 only.

Description : Which of the following methods are employed for determination of free and combined chlorine residuals in water ? 1. Starch-iodide method 2. Orthotolidine method 3. Amperometric titration method 4. SNORT method 5. DPD method a) 1, 2, ... b) 1, 2 and 3 only c) 3, 4 and 5 only d) 2, 3, and 4 only.

Last Answer : a) 1, 2, 4 and 5

In addition to slow intravenous infusion, which of the following routes of administration allows for titration of the dose of a drug with the response: A. Sublingual B. Transdermal C. Inhalational D. Nasal insufflation

Description : In addition to slow intravenous infusion, which of the following routes of administration allows for titration of the dose of a drug with the response: A. Sublingual B. Transdermal C. Inhalational D. Nasal insufflation

Last Answer : C. Inhalational

In addition to slow intravenous infusion, which of the following routes of administration allows for titration of the dose of a drug with the response: A. Sublingual B. Transdermal C. Inhalational D. Nasal insufflation

Description : In addition to slow intravenous infusion, which of the following routes of administration allows for titration of the dose of a drug with the response: A. Sublingual B. Transdermal C. Inhalational D. Nasal insufflation

Last Answer : C. Inhalational

The pH range over which an indicator color change occurs is referred to as its: w) titration range x) titration constant y) transition interval z) none of the above

Description : The pH range over which an indicator color change occurs is referred to as its: w) titration range x) titration constant y) transition interval z) none of the above

Last Answer : ANSWER: Y -- TRANSITION INTERVAL

A process in which substances are separated throug differences in the rates at which the components migrate is called: w) filtration x) chromatography y) elution z) titration

Description : A process in which substances are separated throug differences in the rates at which the components migrate is called: w) filtration x) chromatography y) elution z) titration

Last Answer : ANSWER: X -- CHROMATOGRAPHY

Is there a photographer's tool that wil sample the actual RGB color of an item?

Description : Is there a photographer's tool that wil sample the actual RGB color of an item?

Last Answer : answer:I use the Colormunki Photo. But you web guys should use the Colormunki Design. It's a Spectrophotmeter that allows capturing Pantone values off of any substrate. i think the Photo version does ... the Digital Pouch is a clever way to pass along calibrations to those who are not calibrated.

Why is targeted internet advertising so horrifically inaccurate?

Description : Why is targeted internet advertising so horrifically inaccurate?

Last Answer : answer:Well Google is supposed to be based on self catered advertisements and search suggestions based on your internet activity. Personally I have noticed that I have seen many products advertised that ... to this are the video ads in the YouTube videos, which are not individually tailored.

How possible is it that a DNA test from the early 1990's are inaccurate?

Description : How possible is it that a DNA test from the early 1990's are inaccurate?

Last Answer : As far as parentage,probably not, but in the 90’s they had not yet discovered amplification, but I think parentage is simpler than that, so- to answer- it’s probably not possible- and of course you have her blood she is your mother, so your question is kind of unclear.

Why is the time stamp on Yahoo email always inaccurate?

Description : Why is the time stamp on Yahoo email always inaccurate?

Last Answer : It is a Yahoo issue, and I use to know the reason or read somewhere why it is. Sorry that was many, many years ago and I have simply forgotten where I saw the information. Maybe I’ll try to research it again.

Is citing "human nature" as a cause of a particular human behavior, inaccurate?

Description : Is citing "human nature" as a cause of a particular human behavior, inaccurate?

Last Answer : It's mostly an excuse, but certain things are typically associated with human nature. It would be up to knowledgable parties to decide whether it applies to the specific situation or ... humans are selfish, highly sexual, opportunistic, and needy beings who crave constant attention and agreement.

which of the following is inaccurate in relation to viruses -General Knowledge

Description : which of the following is inaccurate in relation to viruses -General Knowledge

Last Answer : They reproduce independently - is inaccurate in relation to viruses.

A wrong or inaccurate use of a name or term -Do You Know?

Description : A wrong or inaccurate use of a name or term -Do You Know?

Last Answer : answer:

What should you do if you find there is inaccurate information on your credit report?

Description : What should you do if you find there is inaccurate information on your credit report?

Last Answer : Notify all three credit reporting agencies, get confirmation ofcorrection(s), and subsequently follow-up three months later toensure that neither refreshes the others. Remember that a person isentitled one free copy of their credit report per year; just useit.