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11 June, 10:40

What is the mass of solute in 200.0 L of a 1.556-M solution of KBr

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  1. 11 June, 12:34
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    The molarity of KBr solution is 1.556 M

    molarity is defined as the number of moles of solute in volume of 1 L solution.

    the number of KBr moles in 1 L - 1.556 mol

    Therefore in 200.0 L - 1.556 mol/L x 200.0 L = 311.2 mol

    Molar mass of KBr - 119 g/mol

    mass of Kbr - 311.2 mol x 119 g/mol = 37 033 g

    mass of solute therefore is 37.033 kg
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