Calculate the ph of the buffer if 2.0 ml of 0.0125 m hcl is, Ask an Expert

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1. What would be the theoretical pH of a buffer prepared by mixing 5.00 mL of 4.0 M formic acid with 1.50 g of sodium formate and the total volume made up to 100 mL.

The Ka of HCO2H is 1.8 x 10-4.

2. Calculate the pH of the buffer if 2.0 mL of 0.0125 M HCl is added to the buffer prepared in question 3. What is the % change in the pH of the buffer?

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