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  4. 2.5 L of NaCl solution contain 5 moles of the solute. What is the molarity ?

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Q. $ 2.5\, L $ of $ NaCl $ solution contain $5$ moles of the solute. What is the molarity ?

UPSEEUPSEE 2009

Solution:

Molarity $=\frac{\text { Number of moles of solute }}{\text { Volume of solution }(\text { in } L)}$

$\Rightarrow $ Molarity $=\frac{5}{2.5}=2 \,M$