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30 July, 20:14

How many grams of solute are in 1.00 liter of 0.200m na2so4 solution?

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  1. 31 July, 00:03
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    Molarity can be defined as the number of moles of solute in 1 L solution.

    Molarity of Na₂SO₄ solution - 0.200 M

    this means there are 0.200 moles in 1 L solution

    Molar mass of Na₂SO₄ - 142 g/mol

    therefore mass of Na₂SO₄ in 1.00 L - 0.200 mol x 142 g/mol = 28.4 g

    a mass of 28.4 g of Na₂SO₄ is present in 1.00 L
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