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Chemistry Easy PPSC Uploaded: 04 Sep 2026

What is the SI unit of molar concentration?

  • A g/mol
  • B mol/L
  • C mol/kg
  • D g/L
Correct Answer: Option B — mol/L
Explanation:
Molar concentration, or molarity, is expressed in moles of solute per liter of solution (mol/L), commonly abbreviated as M, and is the most widely used concentration unit in analytical chemistry.
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