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March 28, 2017

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What is the weight/ weight% of a solution made by dissolving 12.0g of NaC1 in 100.0 g of water?

  • Chemistry 105 - ,

    % w/w means mass solute/100 g soln.
    mass solute = 12.0 g NaCl.
    mass solvent = 100 g
    mass solution = 100g + 12g = 112g.
    %w/w NaCl = (12.0/112)*100 = ?

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