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strawberrymrmr3432
01.08.2021 •
Mathematics
Si quisiera hacer 0.800 litros de una solución 0.531 M de cloruro de níquel (II), NiCl₂, ¿cuántos gramos de NiCl₂ necesitaría? A. Un problema como este primero requiere que identifique moles de NiCl₂, usando la fórmula de molaridad, y luego convierta esa cantidad de moles a gramos usando la masa molar de NiCl₂. A) Primero, identifique sus variables conocidas (deje una en blanco): M = M n = mol V = L b) Ahora, circule la versión de la ecuación de molaridad con la que sería más fácil trabajar (con su desconocido a la izquierda): M = n / V n = M × V V = n / M c) Luego, usa esa ecuación para resolver tu valor desconocido. (mostrar trabajo) d) Ahora que conoce la cantidad de moles, necesitará la masa molar de NiCl₂ para calcular los gramos de NiCl₂. Calcule la masa molar de NiCl₂ aquí, mostrando su trabajo:
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Ответ:
Step-by-step explanation:
k - (-8k) = k + 8k = 9k