Notifications
Clear all
Some Basic Concepts of Chemistry
1
Posts
2
Users
0
Likes
279
Views
0
10/08/2021 10:53 am
Topic starter
The amount of zinc required to produce 224 mL of H2 at STP on treatment with dil. H2SO4 will be
(a) 6.5 g
(b) 0.65 g
(c) 65 g
(d) 0.065 g
1 Answer
0
10/08/2021 10:57 am
Answer is: (b) 0.65 g
Explanation:
Zn + H2SO4 → ZnSO4 + H2
65 g Zn gives 1 mole of H2 = 22400 mL of H2 224 mL of H2 will be obtained from 0.65 g Zn.