100 mL of 6 M acid is diluted with water to 400 mL. What is the new molarity?

Answer and explanation

Correct answer: D. 1.5 M

  1. Step 1: Moles stay the same: , so M. Answer: 1.5 M. Why not the others: 24 M, 3 M and 15 M don't fit.

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