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What is the hydrogen ion concentration of a solution with a pH of 4.2?

a) 3.2 x 10-6 M
b) 2.7 x 10-9M
c) 6.4 x 10-5 M
d) 1.0 x 10-6 M.

Respuesta :

Wallind123

Step-by-step explanation:

pH = 4.2

- log[H+] = 4.2

[tex][ H+] = {10}^{ - 4.2} [/tex]

[tex][ H+] = 6.4 \times {10}^{ - 5} [/tex]

OPTION C

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