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

Chemistry
JAMB 2001

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
[H = 1, O = 16]

  • A. 36.0g
  • B. 8.0g
  • C. 72.0g
  • D. 16.0g
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Correct Answer: Option C
Explanation

\(2H_2 + O_2 → 2H_2O\)
4g → 36g
8g → X
X → \(\frac{ 36 \times8}{4}\)
= 72.0g

There is an explanation video available below.

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