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23 Nov 2019
What is the pH of 50.0 mL of a solution of 0.020 M benzoic acid (HC7H5O2; Ka = 6.5x10-5 ) and 0.020 M potassium benzoate (KC7H5O2) after adding 9.0x10-4 moles hydrochloric acid (HCl)? (assume no volume change)
What is the pH of 50.0 mL of a solution of 0.020 M benzoic acid (HC7H5O2; Ka = 6.5x10-5 ) and 0.020 M potassium benzoate (KC7H5O2) after adding 9.0x10-4 moles hydrochloric acid (HCl)? (assume no volume change)
Sixta KovacekLv2
20 Oct 2019