Asked by Anonymous
                What is the molality of 750 g of water with 48 g of CuSO4 dissolved within it?
So the formula is moles/ Kg of solvent so how would this fit?
            
        So the formula is moles/ Kg of solvent so how would this fit?
Answers
                    Answered by
            Arora
            
    Number of moles = Given mass/Molecular Mass
Molecular Mass of CuSO4 = 159.6 g
Give mass = 48g
=> Number of moles = 48/159.6 = 3/10 = 0.3
=> Molality = Number of moles/Kg of solvent
= 0.30/0.75
= 10/25
= 0.4 m
    
Molecular Mass of CuSO4 = 159.6 g
Give mass = 48g
=> Number of moles = 48/159.6 = 3/10 = 0.3
=> Molality = Number of moles/Kg of solvent
= 0.30/0.75
= 10/25
= 0.4 m
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