Calcula la masa en gramos de azúcar que se necesitan para preparar 70 gramos de solución al 18% m/m Seleccione una: a. m=69,87 g b. m=12,6 g d. m=54,6 g
snorye
% m/m = m soluto x 100 ```````````` m solución
m soluto = % m/m x m solución `````````````````````````````` 100
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m solución
m soluto = % m/m x m solución
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100
m soluto = 18 g/g x 70 g
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100
m (azúcar) = 12.6 g de soluto
RESPUESTA B