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26-03-2022
Chemistry

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A chemist has a 0.200 M solution of potassium hydroxide (molar mass = 56.1g/mol). What mass of KOH is dissolved in 3.20 L of the solution?

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Festus19 Festus19

08-04-2022

Answer:

35.904g

Explanation:

[tex]concentration = \frac{mole}{volume} \\ 0.200 = \frac{n}{3.20} \\ n = 0.640mol \\ n \frac{mass}{molar \: mass} \\ mass = n \times molar \: mass \\ molar \: mass = 56.1gmol {}^{ - 1} \\ mass = 56.1 \times 0.640 \\ mass = 35.904g[/tex]

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