Problem: What is the pH of 0.65 M potassium formate, K[HCO2] aqueous solution? The Ka of formic acid, HCO2H, is 1.8 x 10-4.A. 1.9B. 2.0C. 7.0D. 8.8E. 10.4

FREE Expert Solution

Establish the Ka expression of the dissolution of hypochlorous acid (HOCl) and determine the pH using an ICE chart

We will solve this problem through these steps:

Step 1: Write an equation for the dissociation of HOCl

Step 2: Write an expression for the Ka.

Step 3: Set up an ICE table to calculate the H3O+ ion concentration.

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Problem Details

What is the pH of 0.65 M potassium formate, K[HCO2] aqueous solution? The Ka of formic acid, HCO2H, is 1.8 x 10-4.

A. 1.9

B. 2.0

C. 7.0

D. 8.8

E. 10.4

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