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Molarity- Best answer gets 10 points?

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Calculate the molarity of a solution made by adding 24.8g of K2SO4 to enough water to make 800 ml of solution.

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  1. The molar mass of K2SO4 is 174.3 g/mol

    24.8 g K2SO4 x (1 mol / 174.3 g ) = 0.142 mol K2SO4

    M = mol / L = 0.142 mol / 0.800 L = 0.178 M

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