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brittanyfox411
08.04.2020 •
Chemistry
1. Calculate the [H] in a solution that has a pH of 9.88.
A) 4.1 M
B) 9.9 M
C) 7.6 x 10'M
D) 1.3 x 10 "M
E) none of these
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Ответ:
The answer to your question is the letter D) [H⁺] = 1.3 x 10⁻¹⁰ M
Explanation:
Data
[H⁺] = ?
pH = 9.88
pH measures the [H⁺] in a solution. It has a range from 0 to 14. Acids have a pH from 0 to 6.9, a neutral solution has a pH of 7.0 and alkalis have a pH from 7.1 to 14.
Formula
pH = -log [H⁺]
Substitution
9.88 = -log[H⁺]
Simplification
antilog -9.88 = [H⁺]
-Result
[H⁺] = 1.3 x 10⁻¹⁰ M
Ответ: