Search SchoolNGR

Wednesday, 01 April 2026
Register . Login

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen? [H = 1, ...

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
[H = 1, O = 16]
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 36.0g
  • B 8.0g
  • C 72.0g
  • D 16.0g
Correct Answer: Option C
Explanation:
2H2 + O2 → 2H2O
4 → 36
8 → X
X → (8/6) * 36
= 72.0g

Share question on: