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DaGreat
DaGreat asked in Science & MathematicsChemistry · 8 years ago

Calculate the molarity of the solution. (Assume a density of 1.05g/mL for the solution.)?

Calculate the molarity of the solution. (Assume a density of 1.05g/mL for the solution.)?

An aqueous KNO3 solution is made using 75.5g of KNO3 diluted to a total solution volume of 1.60 L.

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  • Trevor H
    Lv 7
    8 years ago
    Favorite Answer

    The density of the solution is immaterial in this problem

    Molar mass KNO3 = 101.1g/mol

    Moles of KNO3 = 75.5/101.1 = 0.7468 mol dissolved in 1.60L solution

    Molarity = 0.7468/1.60

    Molarity = 0.467 mol /L or 0.467M

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