How many grams of should be dissolved in sufficient water to get 500 ml of an aqueous solution of pH, 2.0?

Name: JEE Advanced Chemistry
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Question

How many grams of $HCl$ should be dissolved in sufficient water to get 500 ml of an aqueous solution of pH, 2.0?

Prashant Kotian · Accepted Answer

Correct answer: C. pH = 2.0 => [H+] = 0.01 M. Moles = 0.01 * 0.5 = 0.005 mol. Mass = 0.005 * 36.5 = 0.1825 g.

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