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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

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Solution

Para resolver esta pregunta, debemos usar la fórmula de la concentración molar, que es:

Molaridad (M)=moles de solutolitros de solucioˊn \text{Molaridad (M)} = \frac{\text{moles de soluto}}{\text{litros de solución}}

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:

Volumen (L)=moles de solutoMolaridad (M) \text{Volumen (L)} = \frac{\text{moles de soluto}}{\text{Molaridad (M)}}

Sustituimos los valores conocidos:

Volumen (L)=0.75 mol1.5 M \text{Volumen (L)} = \frac{0.75 \text{ mol}}{1.5 \text{ M}}

Volumen (L)=0.5 L \text{Volumen (L)} = 0.5 \text{ L}

Convertimos el volumen a mililitros, ya que 1 L = 1000 mL:

0.5 L=500 mL 0.5 \text{ L} = 500 \text{ mL}

Por lo tanto, la respuesta correcta es:

a. 500 mL

This problem has been solved

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