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The MOLARITY of a solution containing 58.5 g NaCl dissolved in 1 L of solution is:
A$1$ M
B$0.5$ M
C$2$ M
D$58.5$ M
Answer & Solution
Correct answer: A. $1$ M
NaCl molar mass = 58.5 g/mol. So 58.5 g = 1 mole. 1 mole in 1 L = 1 M. Molarity = moles solute / litre solution.
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