At 30°C, weight of a saturated solution is 20g. If it contains 5g of solute, its solubility will be
Question
At 30°C, weight of a saturated solution is 20g. If it contains 5g of solute, its solubility will be
Solution
Para resolver esta pregunta, sigamos los siguientes pasos:
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Entender el problema: Nos dicen que a 30°C, el peso de una solución saturada es de 20g y que contiene 5g de soluto. Necesitamos encontrar la solubilidad.
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Definir solubilidad: La solubilidad se define como la cantidad de soluto que se puede disolver en una cantidad específica de solvente para formar una solución saturada a una temperatura dada.
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Calcular el peso del solvente:
- Peso total de la solución = 20g
- Peso del soluto = 5g
- Peso del solvente = Peso total de la solución - Peso del soluto
- Peso del solvente = 20g - 5g = 15g
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Calcular la solubilidad: La solubilidad se expresa generalmente en gramos de soluto por 100 gramos de solvente.
- Solubilidad = (Peso del soluto / Peso del solvente) * 100
- Solubilidad = (5g / 15g) * 100
- Solubilidad = (1/3) * 100
- Solubilidad ≈ 33.33g de soluto por 100g de solvente
Por lo tanto, la solubilidad de la solución a 30°C es aproximadamente 33.33g de soluto por 100g de solvente.
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