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Chemistry, 07.05.2021 22:50 sindy35111

What is the [H+] when the pH is 4.2? Group of answer choices

A) 6.3x10^-5

B) 9.8

C) 1.6x10^-10

D) 1.6x10^4

pls give a little context, so I know how you got the answer :)

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What is the [H+] when the pH is 4.2? Group of answer choices

A) 6.3x10^-5

B)...
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