What volume of 1.5M NaOH is needed to provide 0.75 mol of NaOH?Question 9Answera.500 mLb.5.0 Lc.0.5 mLd.500 L
Question
What volume of 1.5M NaOH is needed to provide 0.75 mol of NaOH?Question 9Answera.500 mLb.5.0 Lc.0.5 mLd.500 L
Solution
Para resolver esta pregunta, debemos usar la fórmula de la concentración molar, que es:
En este caso, conocemos la molaridad (1.5 M) y la cantidad de moles de NaOH (0.75 mol). Queremos encontrar el volumen de la solución en litros. Reorganizamos la fórmula para resolver el volumen:
Sustituimos los valores conocidos:
Convertimos el volumen a mililitros, ya que 1 L = 1000 mL:
Por lo tanto, la respuesta correcta es:
a. 500 mL
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