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29 June, 19:58

How many liters of a 3.67 M K2SO4 solution are needed to provide 57.3 g of K2SO4 (molar mass 174.01 g/mol) ? Recall that M is equivalent to mol/L.

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  1. 29 June, 20:08
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    Answer: Amount of volume needed in Litres is 0.09L

    Explanation:

    Given that the concentration in Mol/L = 3.67M

    Mass of K2SO4 = 57.3g

    Molar mass of K2SO4 = 174.01g/mol

    From stochiometry,

    Mole = Mass/Molar mass

    Mole = 57.3/174.01 = 0.33mol.

    Concentration in mol/L=

    Mole/volume

    3.67=0.33/volume

    Volume = 0.33/3.67

    Volume = 0.09L

    Therefore the volume of K2SO4 needed is 0.09L
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