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Chemistry / Chemistry: A Molecular Approach 3 / Chapter 15 / Problem 111E

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

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Calculate the [H3O+] and pH of each polyprotic acid

Chapter 15, Problem 111E

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QUESTION:

Calculate the [H3O+] and pH of each polyprotic acid solution.

a. 0.350 M H3PO4

b. 0.350 M H2C2O4

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QUESTION:

Calculate the [H3O+] and pH of each polyprotic acid solution.

a. 0.350 M H3PO4

b. 0.350 M H2C2O4

ANSWER:

Problem 111ECalculate the and pH of each polyprotic acid solution. a. 0.350 M b. 0.350 M Step by step solutionStep 1 of 2(a)0.350 MThe ionic reaction of is as follows.Let’ s write the concentration of each ion in the chemical reaction.Let’s write the solubility product constant for the reaction.Substitute the ion concentration values in the above equation.\nThe following formula is used to calculate the pH value.Therefore, pH of 0.350 M the solution is 1.32._________________________________________________________________________

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