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28-03-2020
Chemistry

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A 5.345g sample of NaHCO3 is dissolved in enough water to make 300.0ml of solution. What is the molarity

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MystaryPi MystaryPi

28-03-2020

Answer: 0.208 M

Explanation:

Convert NaHCO3 to moles.

[tex]\frac{5.2345 g}{1} * \frac{1 mol}{84.01 g} = 0.0623 mol[/tex]

Molarity is moles over liters.

[tex]M = \frac{0.0623 mol}{0.3000 L} = 0.208 M[/tex]

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