1
KCET 2017
MCQ (Single Correct Answer)
+1
-0
If $3.01 \times 10^{20}$ molecules are removed from 98 mg of $\mathrm{H}_2 \mathrm{SO}_4$, then number of moles of $\mathrm{H}_2 \mathrm{SO}_4$ left are
A
$0.1 \times 10^{-3} \mathrm{~mol}$
B
$9.95 \times 10^{-2} \mathrm{~mol}$
C
$0.5 \times 10^{-3} \mathrm{~mol}$
D
$1.66 \times 10^{-3} \mathrm{~mol}$
KCET Subjects
EXAM MAP