Practice question
Question
A 0.5 M solution of NaOH is diluted from 200 mL to 1 L. What is the new molarity?
Explanation
M₁V₁ = M₂V₂. 0.5 × 200 = M₂ × 1000. M₂ = (0.5 × 200)/1000 = 0.1 M.
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