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10 May, 19:16

555.0 g of KNOwas used to create a 2.7M solution. What is the volume of the solution?

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  1. 10 May, 19:21
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    Solution volume is 2.03 litres.

    Explanation:

    First number of moles of KNO3 present in 555.0 gm will be calculated.

    n = mass of the substance / mass of one mole of the substance.

    n = 555 / 101.1032 (molecular weight of KNO3 is 101.103)

    = 5.4 moles

    Now volume can be calculated by the formula:

    M = n/V (M is the molarity, n is number of moles, V is the volume.)

    = n/M

    = 5.4/2.7

    V = 2.03 liters.

    Molarity is defined as the number of moles of a substance dissolved in 1 litre of solution.
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