100 mL of 2 M acid is diluted with water to 250 mL. What is the new molarity?

Answer and explanation

Correct answer: C. 0.8 M

  1. Step 1: Moles stay the same: , so M. Answer: 0.8 M. Why not the others: 5 M, 0.5 M and 1 M don't fit.

Practise more Physics and Chemistry Problems.

Free questions with an explanation for every one, and full timed UNI Admission Exam (Peru) mock tests.