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25-03-2022
Chemistry

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7.13 g of NaF are dissolved in enough water to make 201 mL of solution. What is the molarity of this solution

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lmaisunny lmaisunny

25-03-2022

Answer:

0.846M

Explanation:

To find the molarity, we have an equation: moles ÷ liter.

To find the moles of NaF, take the gram ÷ molar mass of NaF

7.13/42.0 = 0.170 moles of NaF

201 ml ÷ 1000 = 0.201L

0.170 ÷ 0.201 = 0.846M

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