Question

Formic acid (HCO2H) has a dissociation constant of 1.8 × 104 M. The acid dissociates 1:1. What is the [H+] if 0.1 mole of formic acid is dissolved in 1.0 liter of water? Use a scientific calculator.

0.9 × 10^-3 M

4.2 × 10^-3 M

7.9 × 10^-3 M

15 × 10^-4 M

Answer 1

Okay, it is 2nd one because...

Answer 2

\[1.8*10^{-4}=\frac{ x^2 }{ 0}\]

Answer 3

solve for x

Answer 4

AND.........

Answer 5

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Answer 6

Thank you so much everyone for looking and helping! And thank you ksaimouli for answering and welcoming me. :)

Answer 7

NO problem