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masa soluto, m sto: 84 g
masa solvente, m ste: 616 g
densidad de la solución, d sol = 1,13 g g / ml
1) Concentracion en g / L
m sto / volumen sol
volumen sol = m sol / d sol
m sol = m sto + m ste = 84g + 616g = 700 g
volumen sol = 700 g / 1,13 g / ml = 619 ml
msto / vol sol = 84 g / 619 ml = 0,136 g / ml = 136 g / litro
2) % m/m
% m/m = [m sto / m sol] * 100 = [84 g / 700 g] * 100 = 12%