aaronbarrera449 aaronbarrera449

24-03-2021
Chemistry

contestada

The pH of a softdrink is determined to be 4.0. What is the [OH-] of the drink?
a
1.0 x 10-10 M
b
1.0 x 10-4 M
c
4 M
d
10 M

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21ahmedfa 21ahmedfa

26-03-2021

Answer: A) 1.0 x 10-10 M

Explanation: The pH is 4.0, and pOH + pH = 14, so pOH = 10. [OH-] = 10^-pOH, so for this drink, [OH-] = 10^-10 M, or 1.0 x 10^-10 M.

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