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15.2% by mass solution of h2o2, density is 1.01g/ml then find the molarity of the sulution.

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    molarity is moles of solute per liter

    1L of solution has a mass of ... 1010 g

    mass of H2O2 is ... 1010 * .152 g

    divide H2O2 mass by H2O2 molar mass to find the molarity

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