brianamcelroy0 brianamcelroy0

07-12-2016
Chemistry

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What is the pH of a solution of H2SO4 that has [H3O+] = 5.45 × 10–5 M?

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MissPhiladelphia MissPhiladelphia

12-12-2016

In chemistry, pH is a numeric scale used to specify the acidity or basicity of an aqueous solution. It is approximately the negative of the base 10 logarithm of the concentration of hydronium ions. We calculate as follows:

pH = -log [H3O+]
pH = -log[5.45 × 10–5 M]
pH = 4.3

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afiabaig afiabaig

12-07-2018

the correct answer is 4.26

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