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2 January, 20:26

A solution is preapred by dissolving 17.75 g sulfuric acid h2so4 in enough water make 100 ml of solution. what is the molarity

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  1. 2 January, 20:38
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    Molarity = moles / Liters

    100mL = 0.100 liters

    you need to change the grams to moles using the molar mass.

    Molar mass = 2 (1.01) + 32.0 + 4 (16.0) = 98.02 grams/mole

    17.75 grams (1 mole / 98.02 grams) = 0.181 moles

    molarity = 0.181 moles / 0.100 Liter = 1.81 M
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