Engineering Board Exam Reviewer · Chemistry · medium

50 mL of a 4 M solution is diluted to 200 mL. What is the new concentration?

  1. 1 M
  2. 16 M
  3. 2 M
  4. 0.5 M

Answer

A. 1 M

Solution

M2 = M1V1/V2 = 4(50)/200 = 1 M.

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