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Lena [83]
3 years ago
8

A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?

Chemistry
2 answers:
Simora [160]3 years ago
7 0
We determine the concentration of OH- ions by calculating first the pOH first of the solution.

pH + pOH = 14
pOH = 14 - 11.8 = 2.2

pOH = -log (OH-) = 2.2
(OH-) = <span>6.33 x 10^-3 M

Therefore, the correct answer is option B.</span>
balu736 [363]3 years ago
3 0
PH + pOH = 14

11.8 + pOH = 14

pOH = 14 - 11.8

pOH = 2.2

[OH-] = 10 ^- pOH

[OH-] = 10 ^- 2.2

[OH-] = <span>6.33 x 10^-3 M
</span>
Answer B

hope this helps!





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