Q. Conc${\ H}_{2}SO_{4}$ has a density of 1.98 g/mL and is 98% $H_{2}SO_{4}$ by weight. Its normality is
A) 19.6 N
B) 29.6 N
C) 39.6 N
D) 49.6 N
Explanation
(c)
Strength of $H_{2}SO_{4} = 98 \times 19.8\ g/L$
$S = eq.\ wt. \times N$
$N = \frac{S}{eq.wt.} = \frac{98 \times 19.8}{49} = 39.6$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.