Asked in FBISE Chemistry 2022 — Paper 2 2022Moderate

The number of Hydrogen molecules required to form36g of water2H, +O,->2H ,O

Correct answer: C. 1.204 x 10^24

  • A. 2.408x10%
  • B. 24.08x10%
  • C. 1.204 x 10^24
  • D. 6.02x10

Explanation

As 1 molecule of water (18g) need 1 molecule of H2 then 2 molecule of water (36g) need 2 molecule of H2 which is 1.204 * 1024

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