Practice question
Question
A 0.5 M HNO₃ solution is diluted from 100 mL to 400 mL. What is the final molarity?
Explanation
M₁V₁ = M₂V₂. 0.5 × 100 = M₂ × 400. M₂ = (0.5 × 100)/400 = 0.125 M.
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