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% = m(soluto) · 100 / m(solución)
m(soluto) = 10 g
m(solución) = 500 + 10 = 510 g
% = 10 · 100 / 510 = 1,96%
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masa solc.
m solución = m soluto + m solvente
m solc. = 10 g + 500 g = 510 g
aplicar la fórmula:
%m/m = 10 g x 100
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510 g
%m/m = 1.960 %g/g