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Science Clinic => Chemistry => Topic started by: faduma on Nov 18, 2019

Title: A 1.00 L buffer solution is 0.150 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLi. Calculate the ...
Post by: faduma on Nov 18, 2019

Question 1

Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 mol L-1 HCOOH with 100.0 mL of 0.20 mol L-1 HCOOLi. The Ka for HCHO2 is 1.8 × 10-4.
◦ 3.74
◦ 3.87
◦ 3.47
◦ 10.53
◦ 10.13

Question 2

A 1.00 L buffer solution is 0.150 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLi. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 mol L-1 HCl. The Ka for HC7H5O2 is 6.5 × 10-5.
◦ 3.34
◦ 5.03
◦ 3.97
◦ 4.41
◦ 4.19

Title: A 1.00 L buffer solution is 0.150 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLi. Calculate the ...
Post by: poopface on Nov 18, 2019

Answer 1

3.47

Answer 2

3.97