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Calculate the percent ionization of hydrazoic acid (HN3) in solutions of each of the following concentrations...

Calculate the percent ionization of hydrazoic acid (HN3) in solutions of each of the following concentrations (Ka is given in Appendix D in the textbook). (I dont own the textbook but I found the Ka of HN3 to be 1.9*10^-5)

Part A

0.414 M .

Express your answer using two significant figures.

________ %

Part B

0.118 M .

Express your answer using two significant figures.

________ %

Part C

4.16×10−2 M .

Express your answer using two significant figures.

________ %

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