What is the [H3O+] in a solution that consists of 0.15 M C2N2H8(ethylene diamine) and 0.35 C2N2H9Cl?
Kb = 4.7 10-4
A) 2.0 l0-3 M
B) 1.1 10-3 M
C) 6.3 10-9 M
D) 2.1 10-10 M
E) 5.0 10-11 M
Correct Answer:
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