From 392 mg of H2SO4, 1.204 x 1021 molecules are removed. The number of ***** of H2SO4 Ieft are
(a) 2.0 x 10 -3
(b) 1.2 x 10-3
(c) 4.0 x 10-3
(d) 1.5 x 10-3
Correct option (a) 2.0 x 10-3
Explanation:
