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balakrishnamanoharan
18.07.2019 •
Chemistry
What does it mean if hydrogen ion concentration and hydroxide ion concentration are equal?
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Ответ:
Ответ:
Paso 1: Ordenar los datos. Soluto urea : masa molar = 60 g/mol Solvente agua : Tºeb = 100 °C masa molar = 18 g/mol Keb = 0,52 °C/molal Solución : concentración = 20 % p/p masa = 100 g
Paso 2: Pregunta concreta ⇒determinar el punto de ebullición de la solución (Teb). Paso 3: Aplicamos las ecuaciones:
Explanation:
¿Cuál es el punto cuál es el pùnto de ebullición de 100g de una solución acuosa de urea al 20% m/m, si la masa molar de urea de ebullición de la solución resultante