3 years ago

A solution is classified as a weak base. Which of these could be the pH of the solution?

1 answer:

Pepsi [2]3 years ago

3 0

Explanation:

The pH of a weak base falls somewhere between 7 and 10.

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Inga [223]

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$M_{acid}=0.0444M$

Explanation:

Hello,

In this case, for the given reaction:

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We find a 1:2 molar ratio between the acid and the base respectively, for that reason, at the equivalence point we find:

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$2*M_{acid}V_{acid}=M_{base}V_{base}\\\\M_{acid}=\frac{M_{base}V_{base}}{2*V_{acid}}=\frac{0.697M*28.07mL}{2*220.1mL}\\ \\M_{acid}=0.0444M$

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