What is the pH of a solution with H plus 7.0 Times 10-7?

What is the pH of a solution with H plus 7.0 Times 10-7?
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The concentration of (H+) ions is 4 x 10-5in a solution. Then pH of the solution will be (Given log 4 = 0.6) (A) 4.4 (B) 5.6 (C) 8.4 (D) 2.4

Description : The concentration of (H+) ions is 4 x 10-5in a solution. Then pH of the solution will be (Given log 4 = 0.6) (A) 4.4 (B) 5.6 (C) 8.4 (D) 2.4

Last Answer : (A) 4.4

What is the pH of a solution with H3O plus 1 x 10-9 M?

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From separate solution of four sodium salt NaW, Nax, NaY and NaZ had pH 7.0 , 9.0 , 10 . 0 and 11.0 respectively , when each solution was 0.1 M , the

Description : From separate solution of four sodium salt NaW, Nax, NaY and NaZ had pH 7.0 , 9.0 , 10 . 0 and 11.0 respectively , when each solution was 0.1 M , the

Last Answer : From separate solution of four sodium salt NaW, Nax, NaY and NaZ had pH 7.0 , 9.0 , 10 . 0 and 11.0 ... acid is :- A. HW B. HX C. HY D. HZ

The `pH` of a solution increased from `3` to `6`. Its `[H^(o+)]` will be

Description : The `pH` of a solution increased from `3` to `6`. Its `[H^(o+)]` will be

Last Answer : The `pH` of a solution increased from `3` to `6`. Its `[H^(o+)]` will be A. Reduced ... . Doubled C. Reduced by 1000 times D. Increased by 1000 times

Relative to a solution with a pH of 4, a solution of pH = 6 is: w) higher in H+ concentration x) lower in OHy) less basic z) less acidic

Description : Relative to a solution with a pH of 4, a solution of pH = 6 is: w) higher in H+ concentration x) lower in OHy) less basic z) less acidic

Last Answer : ANSWER: Z -- LESS ACIDIC

Solution A has a pH of 2 while solution B has a pH o 7. How many times more acidic is solution A than Solution B?

Description : Solution A has a pH of 2 while solution B has a pH o 7. How many times more acidic is solution A than Solution B? 

Last Answer : ANSWER: ONE HUNDRED THOUSAND or TEN TO THE FIFTH POWER 

If the pH of a solution is 10.7, what would the pOH be?

Description : If the pH of a solution is 10.7, what would the pOH be?

Last Answer : 3.3 (apex)

In a solution containing phosphate buffer, the pH will be 7.4, if the ratio of monohydrogen phosphate : dihydrogen phosphate is (A) 4 : 1 (B) 5 : 1 (C) 10 : 1 (D) 20 : 1

Description : In a solution containing phosphate buffer, the pH will be 7.4, if the ratio of monohydrogen phosphate : dihydrogen phosphate is (A) 4 : 1 (B) 5 : 1 (C) 10 : 1 (D) 20 : 1

Last Answer : Answer : A

The pH of a neutral solution is - (1) 0-7 (2) 7 (3) 7-14 (4) None of the above

Description : The pH of a neutral solution is - (1) 0-7 (2) 7 (3) 7-14 (4) None of the above

Last Answer : (2) 7 Explanation: The pH of a neutral solution is 7. Values less than 7 on the pH scale represent an acidic solution. As the pH value increases from 7 to 14, the solution turns more basic.

What is the pH of an aqueous solution of 0.1 molar HCl? w) 7 x) 13 y) 1 z) 3

Description : What is the pH of an aqueous solution of 0.1 molar HCl? w) 7 x) 13 y) 1 z) 3

Last Answer : ANSWER: Y -- 1

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 ?

pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in the pH 8 solution. x) There are 1,000 times more hydrogen ions in the pH 5 solution. y) There are 3 times more hydrogen ions in the pH 8 solution. z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.

Description : pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in ... . z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.

Last Answer : ANSWER: X -- THERE ARE 1,000 TIMES MORE HYDROGEN IONS IN THE PH 5 SOLUTION

What is the pH of a solution that is 1000 times more acidic than pure water?

Description : What is the pH of a solution that is 1000 times more acidic than pure water?

Last Answer : ANSWER: 4

If a pH of a solution is 7.6, what is the pOH?

Description : If a pH of a solution is 7.6, what is the pOH?

Last Answer : The pOH is 6,4.

What type of solution has a pH of 7 Acid basic or neutral?

Description : What type of solution has a pH of 7 Acid basic or neutral?

Last Answer : What is the answer ?

In a solution having a pH of 7.4, the hydrogen ion concentration is (A) 7.4 nmol/L (B) 40 nmol/L (C) 56 nmol/L (D) 80 nmol/L

Description : In a solution having a pH of 7.4, the hydrogen ion concentration is (A) 7.4 nmol/L (B) 40 nmol/L (C) 56 nmol/L (D) 80 nmol/L

Last Answer : Answer : B

If a solution turns blue litmus red, its pH is likely to be : (1) 7 (2) 8 (3) 9 (4) 6

Description : If a solution turns blue litmus red, its pH is likely to be : (1) 7 (2) 8 (3) 9 (4) 6

Last Answer : (4) 6 Explanation: An acidic solution turns blue litmus red. On the pH scale, acids have values less than 7, whereas bases have values greater than 7. Solutions with pH equal to 7 are neutral in nature. Therefore the pH of the given solution is likely to be 6.

Which of the following is correct for an amino acid solution when it is in the acidic form? (a) pH > pKa (b) pH < pKa (c) zwitterionic (d) pH = 7

Description : Which of the following is correct for an amino acid solution when it is in the acidic form? (a) pH > pKa (b) pH < pKa (c) zwitterionic (d) pH = 7

Last Answer : pH < pKa

Which of the statements is not true? (1) K2Cr2O7 solution becomes yellow on increasing the pH beyond 7 (2) On passing H2 S through acidified K2Cr2O7 solution, a milky colour is observed (3) Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis (4) K2Cr2O7 solution in acidic medium is orange

Description : Which of the statements is not true? (1) K2Cr2O7 solution becomes yellow on increasing the pH beyond 7 (2) On passing H2 S through acidified K2Cr2O7 solution, a milky colour is observed (3) Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis (4) K2Cr2O7 solution in acidic medium is orange

Last Answer : Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis

Given two 2s, 'plus' can be changed to 'times' without changing the results: 2 + 2= 2 x 2.The solution with three numbers is easy too: 1 + 2 + 3= 1 x 2 x 3.Now find the answer for 4 numbers and for 5 numbers. -Riddles

Description : Given two 2s, 'plus' can be changed to 'times' without changing the results: 2 + 2= 2 x 2.The solution with three numbers is easy too: 1 + 2 + 3= 1 x 2 x 3.Now find the answer for 4 numbers and for 5 numbers. -Riddles

Last Answer : Solution for 4 numbers: 1 + 1 + 2 + 4= 1 x 1 x 2 x 4. Solution for 5 numbers: 1 + 1 + 1 + 2 + 5= 1 x 1 x 1 x 2 x 4 1 + 1 + 1 + 3 + 3= 1 x 1 x 1 x 2 x 4 1 + 1 +2 + 2 + 2= 1 x 1 x 2 x 2 x 2

A solution turns blue litmus red, its pH is likely to be - (1) 11 (2) 9 (3) 5 (4) 10

Description : A solution turns blue litmus red, its pH is likely to be - (1) 11 (2) 9 (3) 5 (4) 10

Last Answer : (3) 5 Explanation: If the litmus paper turns red, it indicates the presence of an acid while if it turns blue, it indicates the presence of a base.

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

square cross section b/h/h'=400/400/40mm with a reinforcement ratio of p=0.015 is loaded for action forces of axial load plus uniaxial bending.the column is to be made of C25/30 concrete & S-460 steel.check whether the column AB is short or long?

Description : square cross section b/h/h'=400/400/40mm with a reinforcement ratio of p=0.015 is loaded for action forces of axial load plus uniaxial bending.the column is to be made of C25/30 concrete & S-460 steel.check whether the column AB is short or long?

Last Answer : 10001/999900

A 0.22 M solution of lactic acid (pKa 3.9) was found to contain 0.20 M in the dissociated form and 0.02 M undissociated form, the pH of the solution is (A) 2.9 (B) 3.3 (C) 4.9 (D) 5.4

Description : A 0.22 M solution of lactic acid (pKa 3.9) was found to contain 0.20 M in the dissociated form and 0.02 M undissociated form, the pH of the solution is (A) 2.9 (B) 3.3 (C) 4.9 (D) 5.4

Last Answer : Answer : C

Several applications have been suggested to increase the effectiveness of prophylactic application of topical fluoride which include all EXCEPT: A. Increase Fluoride ions in solution “increase concentration” B. Increase PH of fluoride C. Increase exposure time to topical fluoride D. Pre-treat enamel with 0.5% phosphoric acid E. Use NH4F instead of NaF

Description : Several applications have been suggested to increase the effectiveness of prophylactic application of topical fluoride which include all EXCEPT: A. Increase Fluoride ions in solution increase concentration B. Increase ... D. Pre-treat enamel with 0.5% phosphoric acid E. Use NH4F instead of NaF

Last Answer : B. Increase PH of fluoride

Several approaches have been suggested to increase the fixation of professionally applied topical fluoride, which of the following statements IS INCORRECT regarding increasing the fixation? A. Increase concentration of fluoride in solutions B. Raise the PH of the fluoride solution C. Increase the exposure time to topical fluoride D. Pre-treat the enamel with 0.5% phosphoric acid E. Use NH4F rather than NaF at a lower PH

Description : Several approaches have been suggested to increase the fixation of professionally applied topical fluoride, which of the following statements IS INCORRECT regarding increasing the fixation? A. Increase concentration of ... with 0.5% phosphoric acid E. Use NH4F rather than NaF at a lower PH

Last Answer : B. Raise the PH of the fluoride solution

The pH of a 0.005 molar solution of calcium hydroxide is:

Description : The pH of a 0.005 molar solution of calcium hydroxide is:

Last Answer : ANSWER: 12

Correct options for the given below reaction: `Ph-OH overset((i) CHCl_(3)+OH^(-))underset((ii) H^(+)) to` Products

Description : Correct options for the given below reaction: `Ph-OH overset((i) CHCl_(3)+OH^(-))underset((ii) H^(+)) to` Products

Last Answer : Correct options for the given below reaction: `Ph-OH overset((i) CHCl_(3)+OH^(-))underset((ii) H^(+)) to` Products A. B. C. D.

`Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`

Description : `Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`

Last Answer : `Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) ... -underset(O)underset(||)(C)-CH=CH-CH_(2)-CH_(3)`

`Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`

Description : `Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`

Last Answer : `Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) ... -underset(O)underset(||)(C)-CH=CH-CH_(2)-CH_(3)`

The end product (B) of the reaction sequence: `C_(2)H_(5)-underset(H)underset(|)(N)-CH_(3) overset(Ph-overset(O)overset(||)(C)-Cl)underset(NaOH)rarrA

Description : The end product (B) of the reaction sequence: `C_(2)H_(5)-underset(H)underset(|)(N)-CH_(3) overset(Ph-overset(O)overset(||)(C)-Cl)underset(NaOH)rarrA

Last Answer : The end product (B) of the reaction sequence: `C_(2)H_(5)-underset(H)underset(|)(N)-CH_(3) overset(Ph-overset ... )underset(H_(2)O)rarr B` A. B. C. D.

At neutral pH Alanine has the following structure: (A) − − 2 3 H H N C COOH CH (B) + 3 − − 3 H H N C COO CH (C) 2 − − 3 H H N C COO CH (D) + 2 − − 3 H H N C COO CH

Description : At neutral pH Alanine has the following structure: (A) − − 2 3 H H N C COOH CH (B) + 3 − − 3 H H N C COO CH (C) 2 − − 3 H H N C COO CH (D) + 2 − − 3 H H N C COO CH

Last Answer : Answer : B

The concentraction of hydrogen ion (H+ )is denoted by pH.How do you denote concentration of hydrogen ion(OH)?

Description : The concentraction of hydrogen ion (H+ )is denoted by pH.How do you denote concentration of hydrogen ion(OH)?

Last Answer : Ans:The concentration of hydrogen ion (OH) is denoted by poH.

Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its active forms have selective affinity for the H+K+ATPase located in the apical canaliculi of gastric parietal cells C. Its cationic forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above

Description : Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its ... forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above

Last Answer : D. All of the above

Buffer solutions have constant acidity and alkalinity because: (1) they have fixed value of pH (2) these give unionised acid or base on reaction with added acid or alkali (3) acids and alkalies in these solutions are shielded from attack by other ions (4) they have large excess of H+ or OH– ions

Description : Buffer solutions have constant acidity and alkalinity because: (1) they have fixed value of pH (2) these give unionised acid or base on reaction with added acid or alkali (3) acids and alkalies in these solutions are shielded from attack by other ions (4) they have large excess of H+ or OH– ions

Last Answer : these give unionised acid or base on reaction with added acid or alkali

What is the solution to this equation 2x plus 3(x and ndash 10) 45?

Description : What is the solution to this equation 2x plus 3(x and ndash 10) 45?

Last Answer : This website isn't equipped to reproduce most mathematical symbols in the questions. I'll see if I can translate. 2x + 3(x - 10) = 45 2x + 3x - 30 = 45 5x - 30 = 45 5x = 75 x = 15 Check it. 2(15) + 3(15 - 10) = 45 30 + 15 = 45 It checks.

1.0 molal aqueous solution of an electrolyte `"A"_(2)"B"_(3)` is 60% ionised. The boiling point of the solution at 1 atm is `("K"_("b"("H"_(2)"O"))=0.

Description : 1.0 molal aqueous solution of an electrolyte `"A"_(2)"B"_(3)` is 60% ionised. The boiling point of the solution at 1 atm is `("K"_("b"("H"_(2)"O"))=0.

Last Answer : 1.0 molal aqueous solution of an electrolyte `"A"_(2)"B"_(3)` is 60% ionised. The boiling point of the solution at ... C. `376. 4 K` D. ` 374 . 76 K`

How do H-plus ions in vinegar kill bacteria ?

Description : How do H-plus ions in vinegar kill bacteria ?

Last Answer : Bacteria are stem cells and are made up of proteins and histones. The hydrogen ions in vinegar break down the protein molecules of bacteria by hydrolysis. As a result, the protein is destroyed and the bacteria die. Thus vinegar destroys bacteria.

What is the function of H Plus and Napa Extra ?

Description : What is the function of H Plus and Napa Extra ?

Last Answer : : Both work the same and both contain paracetamol 500 mg + caffeine 75 mg . That means a Napa Extra or H Plus contains a total of 565 mg . 500mg + 65mg = Paracetamol + Caffeine . ... . Pain caused by arthritis and osteoarthritis and inflexibility of joints. Napa or H contains only paracetamol 500 mg

In the reaction M g C I 2 plus 2 KO H - and gt MG OH 2 plus 2 K CI if 1 mole Mg CI 2 is added to 3 moles KO H what is the limiting reagent?

Description : In the reaction M g C I 2 plus 2 KO H - and gt MG OH 2 plus 2 K CI if 1 mole Mg CI 2 is added to 3 moles KO H what is the limiting reagent?

Last Answer : Feel Free to Answer

Where do the H plus and OH- ions come from?

Description : Where do the H plus and OH- ions come from?

Last Answer : H+ exist in acids and OH- exist in bases.

In the reaction mgs plus 2h2oi mgoh2s plus h2g what is the oxidation state of each h in h2g?

Description : In the reaction mgs plus 2h2oi mgoh2s plus h2g what is the oxidation state of each h in h2g?

Last Answer : What is the answer ?

What does Cl plus H 2HCl This represents a reaction.?

Description : What does Cl plus H 2HCl This represents a reaction.?

Last Answer : The reaction is:H2 + Cl2 = 2 HCl

What will most likely happen is a toxin causes the hydrogen ion pump to stop moving h plus ions outside the mitochondrial membranes of the bird's cells?

Description : What will most likely happen is a toxin causes the hydrogen ion pump to stop moving h plus ions outside the mitochondrial membranes of the bird's cells?

Last Answer : Need answer

What Mass Of Calcium Carbonate Is Needed For Complete Reaction With The HCl In 2HCl(aq) plus CaCO 3 (s) CaCl 2 (aq) plus H 2 O(l) plus CO 2 (g)?

Description : What Mass Of Calcium Carbonate Is Needed For Complete Reaction With The HCl In 2HCl(aq) plus CaCO 3 (s) CaCl 2 (aq) plus H 2 O(l) plus CO 2 (g)?

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which. orange juice is a solution that contains citric acid, which gives orange juice an approximate pH of 3.5. Which substance is more acidic than orange juice?

Description : which. orange juice is a solution that contains citric acid, which gives orange juice an approximate pH of 3.5. Which substance is more acidic than orange juice?

Last Answer : battery acid with a pH of 0.8

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)`

An aquoeous solution twice alkaline as water, The pH of the solution is near to

Description : An aquoeous solution twice alkaline as water, The pH of the solution is near to

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Which of the following compounds when dissolved in water, gives a solution with pH less than seven ?

Description : Which of the following compounds when dissolved in water, gives a solution with pH less than seven ?

Last Answer : Which of the following compounds when dissolved in water, gives a solution with pH less than seven ? A. `CH_(3)COCH_( ... (5)NH_(2)` D. `C_(2)H_(5)OH`