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Calculate the pH change when 10. mL of 3.0 M HCl are added to 500. mL...

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Chemistry

Calculate the pH change when 10. mL of 3.0 M HCl are added to500. mL of the following

A ) pure water

B) aqueous solution of 3.0g of formic acid

C) aqueous solution of 4.0g potassium formate

D) aqueous solution containing 3.0 g of formic acid and 4.0 g ofpotassium formate

Answer & Explanation Solved by verified expert
4.4 Ratings (864 Votes)
The pH of solution will be a pure water 500mL so the HCl will get diluted and the H concentration will decrease M1V1 M2V2 3 X 10 M2 X 510 M2 0059 M H 0059 pH logH 123 b the pH will be due to both formic acid and HCl H concentration due to HCl 0059 H concentration due to formic acid will    See Answer
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