1. Consider the titration of 50.0 mL of 0.217 M hydrazoic acid (HN3)

(Ka = 2.6 x 10-5) with 0.183 M NaOH. The pH of the solution before

any NaOH is added is __________.

a. 7.00

b. 12.21

c. 2.62

d. 4.59

e. 8.79

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