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Formic Acid,which Is a Component of Insect Venom,has a Ka ×\times

Question 35

Multiple Choice

Formic acid,which is a component of insect venom,has a Ka = 1.8 ×\times 10-4.What is the [H3O+] in a solution that is initially 0.10 M formic acid,HCOOH?


A) 4.2 ×\times 10-3 M
B) 8.4 ×\times 10-3 M
C) 1.8 ×\times 10-4 M
D) 1.8 ×\times 10-5 M
E) 1.8 ×\times 10-6 M

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