JAMB - Chemistry (2001 - No. 2)

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
[H = 1, O = 16]
36.0g
8.0g
72.0g
16.0g

Explanation

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

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