Question

What is the [H+] in a 0.40 M solution of
HOCI, Ka = 3.5 x 10-8 ?
1) 1.4 x 10-8 M
2) 1.2 x 10-4 M
3)1.9 x 10-4 M
4) 3.7 ×10-4 M​

Answer 1

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