X soluto = moles soluto / moles totales
Xsolvente = moles solvente / moles totales
Moles KMnO4: 25 g / 158 g/mol = 0,158 (soluto)
Moles H2O: 300 g / 18 g/mol = 16,67 (solvente)
Moles totales: 16,828
X soluto = 0,158 / 16,828 = 0,0094
Xsolvente = 16,67 / 16,828 = 0,9906
Xsoluto + X solvente = 1
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X soluto = moles soluto / moles totales
Xsolvente = moles solvente / moles totales
Moles KMnO4: 25 g / 158 g/mol = 0,158 (soluto)
Moles H2O: 300 g / 18 g/mol = 16,67 (solvente)
Moles totales: 16,828
X soluto = 0,158 / 16,828 = 0,0094
Xsolvente = 16,67 / 16,828 = 0,9906
Xsoluto + X solvente = 1