What is the hydronium ion (H3O+) concentration in milk if it has a pH of 8.2?

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10-02-2017
Mathematics

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What is the hydronium ion (H3O+) concentration in milk if it has a pH of 8.2?

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scme1702 scme1702 · Answer 1 · 2017-02-18T12:32:25+01:00

scme1702 scme1702

18-02-2017

The hydronium ion is H₃O⁺ and its concentration is equivalent to the H⁺ ion concentration. The H⁺ ion concentration is given by:

pH = -log[H⁺]
[H⁺] = 10^(-8.2)
[H⁺] = 6.31 x 10⁻⁹ mole/dm³

The hydronium ion concentration is 6.31 x 10⁻⁹ mole/dm³

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