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07-11-2018
Chemistry

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Hydrogen peroxide solution for hair bleaching is usually prepared by mixing 5.0g of hydrogen peroxide H2O2 per 100 ml of solution what is the molarity of this solution

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izziwiimii izziwiimii

08-11-2018

molarity = moles solvent/L solute

gram formula mass of H2O2: 34g/mol

5g/34g = 0.14705882352

100ml * 10^-3 = 0.1L

0.14705882352moles/0.1L = 1.47M

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