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A 250 mL solution holds 0.5 mol of solute. What is its molarity?
A1.0 M
B4.0 M
C2.0 M
D0.5 M
Answer & Solution
Correct answer: C. 2.0 M
Molarity is 0.5 mol divided by 0.25 L, which is 2.0 M.
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