2a. Calculate the pH of a solution that is 0.20 M hydrozoic acid (HN3) and 0.20 M sodium azide (NaN3) given a Ka=2.5x10-5 for hydrozoic acid at 25 oC. 2b. What is the pH of 200 mL of the solution upon the addition of 40.0 mL of 1.00 M HCl?
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2a. Calculate the pH of a solution that is 0.20 M hydrozoic acid (HN3) and 0.20 M sodium azide (NaN3) given a Ka=2.5x10-5 for hydrozoic acid at 25 oC.
2b. What is the pH of 200 mL of the solution upon the addition of 40.0 mL of 1.00 M HCl?
Please show me the work and formula you use to solve it. I need to study them for my final. Thank you.
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