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2015-06-24T20:42:54+08:00

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Given:
     15 g = mass of magnesium hydroxide
     75 ml = volume of solution
Find: % concentration in g/ml
Solution:

% by mass/ volume =  \frac{mass-of-solute}{volume-of-solution}
% by mass/ volume =  \frac{15 g}{75 ml}
% by mass/ volume = 0.20 g/ml
% by mas/ volume = 20% g/ml
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