Q. 2.5 L of NaCl solution contain 5 moles of the solute.What is the molarity ?
A) 5M
B) 2M
C) 2.5M
D) 12.5M
Explanation
(b)
Molarity $= \frac{Number\ of\ moles\ of\ solute\ }{Volume\ of\ solution\ (in\ \ L)}$
$\Longrightarrow$ molarity =$\frac{5}{205}$ =2M
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.