Question #228464
At STP, 30cm*3 of H2 gas was burnt in excess oxygen gas. if the final volume of gases in the reaction was 100cm*3., what was the initial volume of the oxygen?
Expert's answer
At STP the volume = 22.4
= 100 × 22.4 = (30 + x) × 22.4
100 = 30+ x
X = 70
= 70cm3
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