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Mm agua = 18 g/mol
mol Sto = 30 g / 32g/mol = 0.9375 mol
mol ste. = 120 g / 18 g/mol = 6.6667 mol
Xsto. = moles de soluto
moles( sto + svte)
X STO = 0.9375 mol
(0.9375 + 6.6667)mol
xsto = 0.9375 mol = 0.1232
7.6042 mol
Xste. = moles de solvente
moles( sto + svte)
Xste. = 6.6667 mol = 0.8767
(0.9375 + 6.6667)
Xsto + Xste = 1
0.1232 + 0.8767 = 0.9999 ≈ 1