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21 November, 11:31

What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?

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  1. 21 November, 11:55
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    Molarity = moles/Volume in Liters

    We have volume, we need moles

    molar mass of NaF = 42

    moles = mass/molar mass = 12.9 g / 42 = 0.307 moles

    Molarity = 0.307 moles / 0.750 L

    Molarity = 0.41M
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