A. 85cm3
B. 50cm3
C. 125cm3
D. 55cm3
Correct Answer:
Option B – 50cm3
Explanation
Since 2 mol H2 reacted with 1 mol of O2
: 50cm3 of hydrogen reacted with 25cm3 of oxygen
Remainder oxygen = Supplied amount – Reacted amount → 75cm3 – 25cm3 = 50cm3
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![What volume of hydrogen would be left over when 300cm3 of oxygen and 1000cm of hydrogen are exploded in a sealed tube? [2H2(g) + O2(g) → 2H2 Og]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "What volume of hydrogen would be left over when 300cm3 of oxygen and 1000cm of hydrogen are exploded in a sealed tube? [2H2(g) + O2(g) → 2H2 Og]")