MCQ practice · SSC Chemistry Board questions · Chapter 6: Concept of Mole and Chemical Counting
What is the concentration of a molar solution?
Think it through first, then pick an option.
- a 0.1 M
- b 0.5 M
- c 1 M
- d 2 M
Answer and explanation
Correct answer: c 1 M
1 mole of solute in 1 liter is a molar solution, that is 1 M.
Why the other options are wrong
- a 0.1 M: 0.1 M is decimolar; a molar solution is 1 M.
- b 0.5 M: 0.5 M is semimolar; a molar solution is 1 M.
- d 2 M: 2 M is a 2 molar solution; a molar solution is 1 M.
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