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28 June, 03:29

Calculate the mass of potassium sulfate needed to produce 115ml of a 1.34M solution

(molarity problem)

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  1. 28 June, 03:30
    0
    Potassium sulphate = K2SO4

    molecular weight = 40*2 + 32 + 4*16 = 176

    Molarity = moles of solute / volume in L

    1.34 = x/176 * 1000 / 115

    x = 1.34*176*115/1000

    x=27.1216g
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