Is it possible to standardize HCl solution using Na2CO3? If yes which indicator you will use?

Is it possible to standardize HCl solution using Na2CO3? If yes which indicator you will use?
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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

A solution containing `Na_(2)CO_(3)` and `NaOH` requires `300 ml` of `0.1 N HCl` using phenolphthalein as an indicator. Methyl orange is then added to

Description : A solution containing `Na_(2)CO_(3)` and `NaOH` requires `300 ml` of `0.1 N HCl` using phenolphthalein as an indicator. Methyl orange is then added to

Last Answer : A solution containing `Na_(2)CO_(3)` and `NaOH` requires `300 ml` of `0.1 N HCl` using phenolphthalein ... solution is `(NaOH=40, Na_(2)CO_(3)=106)`

10 ml 0.2 Molar Na2CO3 How many grams of 0.1 Molar HCl is needed to soothe ?

Description : 10 ml 0.2 Molar Na2CO3 How many grams of 0.1 Molar HCl is needed to soothe ?

Last Answer : Na₂CO₃ + 2HCl = NaCl + CO₂ + H₂O of Na₂CO₃ , density S₁ = 0.2 M; Volume , V₁ = 10 mL HCl density S₂ = 0.1 M; Volume = V₂ 2S₁V₁ = S₂V₂ ∴ V₂ = 2S₁V₁ / S₂ = 2 0.2 10 / 0.1 = 40 mL The molecular mass of HCl , M = ... / MV₂ ∴ w = S₂MV₂ / 1000 = 0.1 36.5 40/1000 = 0.146 g (Ans.)

State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

Description : State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

Last Answer : Ans. (a) It undergoes hydrolysis to produce a strong base NaOH . (b) When the aq. Solution of any alkali metal is subjected to electrolysis ,H2 instead of the alkali metal is produced at the ... of sugars and amino acids into the cells. Thus, sodium is found to be more useful than potassium.

Vetrocoke solution is (A) A mixture of K2CO3 and As2O3 (B) K2SO4 (C) A mixture of Na2CO3 and As2O3 (D) Na2SO4

Description : Vetrocoke solution is (A) A mixture of K2CO3 and As2O3 (B) K2SO4 (C) A mixture of Na2CO3 and As2O3 (D) Na2SO4

Last Answer : (A) A mixture of K2CO3 and As2O3

Shouldn’t the Federal government compel all manufacturers of electric cars to standardize their charging systems to accept charging from the same charger?

Description : Shouldn’t the Federal government compel all manufacturers of electric cars to standardize their charging systems to accept charging from the same charger?

Last Answer : Sounds logical to me.

which best explains how railroad companies were able to standardize their timetables in 1883? -General Knowledge

Description : which best explains how railroad companies were able to standardize their timetables in 1883? -General Knowledge

Last Answer : B. by working together voluntarily.

Which of the following is true about a project manager? Select one: a. Project managers analyze work processes and explore opportunities to make improvements. b. Project managers are focused on the long-term health of the organization. c. Project managers are process focused. d. Project managers are goal oriented. e. Project managers standardize the work processes.

Description : Which of the following is true about a project manager? Select one: a. Project managers analyze work processes and explore opportunities to make  improvements. b. Project managers are focused ... . d. Project managers are goal oriented. e. Project managers standardize the work processes.

Last Answer : d. Project managers are goal oriented.

State weather the following statement is true or false for ISDN – Integrated Services Digital Network ISDN is an effort to standardize subscriber services, provide user/network interfaces 2). the goal of ISDN is to form a Local area network that provides Peer-to-Peer connectivity over digital media 3). It is a set of protocols that combines digital telephony and data transport services A. 1. True, 2. false, 3. true B. 1. true, 2. false, 3. false C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false

Description : State weather the following statement is true or false for ISDN - Integrated Services Digital Network ISDN is an effort to standardize subscriber services, provide user/network interfaces 2). the goal of ISDN is to form a Local ... C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false

Last Answer : A. 1. True, 2. false, 3. true

______ are special-interest groups that quickly test, evaluate, and standardize new technologies

Description : ______ are special-interest groups that quickly test, evaluate, and standardize new technologies

Last Answer : Forums

NaHCO 3 + HCl NaCl + H 2 O +CO 2 is the correct chemical reaction happening inside stomach when child takes antacid. (a) Yes (b) No (c) May be

Description : NaHCO 3 + HCl NaCl + H 2 O +CO 2 is the correct chemical reaction happening inside stomach when child takes antacid. (a) Yes (b) No (c) May be

Last Answer : (a) Yes

How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`

How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`

What laboratory procedure you would use to separate and recover the components of a mixture containing BaSO4 Na2CO3 and C10H8?

Description : What laboratory procedure you would use to separate and recover the components of a mixture containing BaSO4 Na2CO3 and C10H8?

Last Answer : Na2CO3 is soluble in water and separated by filtration from a water mixture.Naphtalene is separated by heating when sublimation occur.

The purpose of adding Na2CO3 to water of low alkalinity is to (A) Permit the use of alum as a coagulant (B) Increase the softening capacity of zeolite (C) Facilitate easy regeneration of zeolite (D) All (A), (B) and (C)

Description : The purpose of adding Na2CO3 to water of low alkalinity is to (A) Permit the use of alum as a coagulant (B) Increase the softening capacity of zeolite (C) Facilitate easy regeneration of zeolite (D) All (A), (B) and (C)

Last Answer : (A) Permit the use of alum as a coagulant

Is sodium carbonate Na2CO3 and bicarbonate NaHCO3 one of the primary standard substances?

Description : Is sodium carbonate Na2CO3 and bicarbonate NaHCO3 one of the primary standard substances?

Last Answer : Why are you asking us these questions?

What is the percentage attachment of C element in Na2CO3 compound ?

Description : What is the percentage attachment of C element in Na2CO3 compound ?

Last Answer : The percentage addition of C element in that compound is 11.32 percent

What happens when crystalline Na2CO3 is heated ?

Description : What happens when crystalline Na2CO3 is heated ?

Last Answer : What happens when crystalline Na2CO3 is heated ? a. releases CO2 b. loses H2O c. decomposes into NaHCO3 d. colour changes.

If the reactants of a reaction are 2AgCIO3 and Na2CO3 which could be a product?

Description : If the reactants of a reaction are 2AgCIO3 and Na2CO3 which could be a product?

Last Answer : Ag2CO3 -apex

What are the raw materials used for the precipitation of Na2Co3 by Solvay ammonium Process ?

Description : What are the raw materials used for the precipitation of Na2Co3 by Solvay ammonium Process ?

Last Answer : Sodium Chloride, limestone and ammonia

Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2

Description : Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2

Last Answer : (3) Na2CO3.10H2O Explanation: Washing Soda is essentially Sodium Carbonate, a sodium salt of carbonic acid (soluble in water). The molecular formula of washing soda is Na2CO3.10H2O. It is used as ... It reacts with the calcium and magnesium bonds present in the water, enabling the detergent to work.

Why Li2CO3 decomposes at a lower temperature whereas Na2CO3 at higher temperature ?

Description : Why Li2CO3 decomposes at a lower temperature whereas Na2CO3 at higher temperature ?

Last Answer : Ans.Li2CO3 is a salt of a weak acid (CO2) and a weak base (LiOH). Since the weak base cannot attract CO2 Strongly, therefore, Li2CO3 decomposes at a lower temperature.On the other hand ,NaOH is a Much stronger base than LiOH and hence can attract CO2 more strongly.

How are 0.50 m Na2CO3 and 0.50 M Na2CO3 different?

Description : How are 0.50 m Na2CO3 and 0.50 M Na2CO3 different?

Last Answer : Ans. 0.50 m Na2CO3 solution means that 0.5 mol (or 53g) of Na2CO3 are present in 1000 g of solvent. 0.50 M Na2CO3 solution means that 0.5 mol (or 53g) of Na2CO3 are present in 1L of solution.

Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of (A) MgO & Na2CO3 (B) MgSO4 & BaCl2 (C) BaSO4 & NaCl (D) MgCO3 & NaC

Description : Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of (A) MgO & Na2CO3 (B) MgSO4 & BaCl2 (C) BaSO4 & NaCl (D) MgCO3 & NaC

Last Answer : (A) MgO & Na2CO3

Washing soda is chemically represented by (A) Na2CO3 (B) Na2CO3 .H2O (C) Na2CO3 .10H2O (D) NaHC

Description : Washing soda is chemically represented by (A) Na2CO3 (B) Na2CO3 .H2O (C) Na2CO3 .10H2O (D) NaHC

Last Answer : (C) Na2CO3 .10H2O

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Description : Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Last Answer : (C) H2

Dense soda ash used in the manufacture of glass, is chemically represented by (A) Na2CO3 (B) Na2CO3 .10H2O (C) Na2CO3 .H2O (D) Na2HCO3

Description : Dense soda ash used in the manufacture of glass, is chemically represented by (A) Na2CO3 (B) Na2CO3 .10H2O (C) Na2CO3 .H2O (D) Na2HCO3

Last Answer : (C) Na2CO3 .H2O

Main constituent of dolomite is (A) CaCO3 (B) MgCO3 (C) K2CO3 (D) Na2CO3

Description : Main constituent of dolomite is (A) CaCO3 (B) MgCO3 (C) K2CO3 (D) Na2CO3

Last Answer : (B) MgCO3

Main constituent of limestone is (A) CaCO3 (B) MgCO3 (C) Na2CO3 (D) CaSO4

Description : Main constituent of limestone is (A) CaCO3 (B) MgCO3 (C) Na2CO3 (D) CaSO4

Last Answer : (A) CaCO3

Permanent hardness of water can be removed by (A) Boiling (B) Adding Ca(OH)2 (C) Boiling it with Na2CO3 (D) None of these

Description : Permanent hardness of water can be removed by (A) Boiling (B) Adding Ca(OH)2 (C) Boiling it with Na2CO3 (D) None of these

Last Answer : (C) Boiling it with Na2CO3

Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2

Description : Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2

Last Answer : Na2CO3 .10H2O

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

Phenopthalein indicator gives a pink color when the solution is ______ . -Science-7

Description : Phenopthalein indicator gives a pink color when the solution is ______ . -Science-7

Last Answer : Phenopthalein indicator gives a pink color when the solution is Basic solution.

What is the colour of indicator in sodium hydroxide solution?

Description : What is the colour of indicator in sodium hydroxide solution?

Last Answer : The pH-paper Merck Art. 9565 is red to violet.

What are the advantages and disadvantages of measuring pH of lemon juice with indicator solution?

Description : What are the advantages and disadvantages of measuring pH of lemon juice with indicator solution?

Last Answer : kkjhkvgbvbbhhh

What is the colour of indicator in sodium hydroxide solution?

Description : What is the colour of indicator in sodium hydroxide solution?

Last Answer : The pH-paper Merck Art. 9565 is red to violet.

What are the advantages and disadvantages of measuring pH of lemon juice with indicator solution?

Description : What are the advantages and disadvantages of measuring pH of lemon juice with indicator solution?

Last Answer : kkjhkvgbvbbhhh

PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson’s equation Name the best indicator Phenolphthalein, PH range 8.3 to 10.0 Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions

Description : PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson's equation Name the best ... Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions

Last Answer : What does Thermodynamics helps in predicting ?

When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in the electrolyte B. any water that has been previously added to the cells will dilute the solution and give a false reading C. a hydrometer reading is inaccurate if taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Description : When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in ... taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Last Answer : Answer: C

A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What are these color changes caused by: w) The ionization and reduction of the cobalt plus two slash cobalt plus three couple. x) The vaporization and redeposition of cobalt chloride. y) The loss and readsorption of the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.

Description : A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What ... the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.  

Last Answer : ANSWER: Y -- THE LOSS AND READSORPTION OF THE COBALT'S WATERS OF HYDRATION.

Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? (1) Methylene blue (2) Methyl red (3) Phenolphthaline (4) Methyl orange

Description : Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? (1) Methylene blue (2) Methyl red (3) Phenolphthaline (4) Methyl orange

Last Answer : Methyl orange

Which of the following is true when HCL is passed through water. (i) It does not ionize in the solution as it is a covalent compound (ii) It ionizes in the solution (iii) It gives both hydrogen and hydroxyl ions in the solution (iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule. (a) (i) only (b) (iii) only (c) (ii) and (iv) only (d) (iii) and (iv)

Description : Which of the following is true when HCL is passed through water. (i) It does not ionize in the solution as it is a covalent compound (ii) It ionizes in the solution (iii) It gives both hydrogen and hydroxyl ions in the solution ... ) (i) only (b) (iii) only (c) (ii) and (iv) only (d) (iii) and (iv)

Last Answer : (c) (ii) and (iv) only

Number of equivalents of HCl present in 100 mL of its solution whose pH is 4:

Description : Number of equivalents of HCl present in 100 mL of its solution whose pH is 4:

Last Answer : Number of equivalents of HCl present in 100 mL of its solution whose pH is 4: A. `10^(-4)` B. `10^(-3)` C. `10^(-2)` D. `10^(-5)`

Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr

Description : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr

Last Answer : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I) ... II),(I) D. (II),(IV),(III)

1.250 g of metal carbonate `(MCO_(3))` was treated with 500 mL of 0.1 M HCl solution. The unreacted HCl required 50.0 mL of 0.500 M NaOH solution for

Description : 1.250 g of metal carbonate `(MCO_(3))` was treated with 500 mL of 0.1 M HCl solution. The unreacted HCl required 50.0 mL of 0.500 M NaOH solution for

Last Answer : 1.250 g of metal carbonate `(MCO_(3))` was treated with 500 mL of 0.1 M HCl solution. The unreacted HCl ... the metal M A. Mg B. Ca C. Sr D. Ba

25 ml of the given HCl solution requires 30 mL of 0.1M sodium carbonate solution. What is the volume of this HCl solution required to titrate 30 mL of

Description : 25 ml of the given HCl solution requires 30 mL of 0.1M sodium carbonate solution. What is the volume of this HCl solution required to titrate 30 mL of

Last Answer : 25 ml of the given HCl solution requires 30 mL of 0.1M sodium carbonate solution. What is the volume of this HCl ... 5 mL B. 75 mL C. 50 mL D. 25 mL

Two samples of `HCl` of `1.0 M` and `0.25 M` are mixed. Find volumes of these samples taken in order to prepare `0.75 M HCl` solution. Assume no water

Description : Two samples of `HCl` of `1.0 M` and `0.25 M` are mixed. Find volumes of these samples taken in order to prepare `0.75 M HCl` solution. Assume no water

Last Answer : Two samples of `HCl` of `1.0 M` and `0.25 M` are mixed. Find volumes of these samples taken in order ... B. 100mL, 50mL C. 40mL, 20mL D. 50mL, 25 mL

A certain weioght of pure `CaCO_(3)` is made to react completely with 200mL of a HCl solution to given 227mL of `CO_(2)` gas at STP. The notmality of

Description : A certain weioght of pure `CaCO_(3)` is made to react completely with 200mL of a HCl solution to given 227mL of `CO_(2)` gas at STP. The notmality of

Last Answer : A certain weioght of pure `CaCO_(3)` is made to react completely with 200mL of a HCl solution to ... at STP. The notmality of the HCl` solution is :

One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved is absorbed in `KI` solution and titra

Description : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved is absorbed in `KI` solution and titra

Last Answer : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved ... B. 38.4 mL C. 24.7 mL D. 30.3 mL

A salt solution of `Cd^(2+)` in dilute HCl, on treatment with a solution of `BaCl_(2)` gives a white precipitate, which is insoluble in concentrated `

Description : A salt solution of `Cd^(2+)` in dilute HCl, on treatment with a solution of `BaCl_(2)` gives a white precipitate, which is insoluble in concentrated `

Last Answer : A salt solution of `Cd^(2+)` in dilute HCl, on treatment with a solution of `BaCl_(2)` gives a white precipitate, ... C. `NO_(2)^(-)` D. `S^(2-)`