Chemistrymedium · Past Paper
In the reaction 2H2 + O2 -> 2H2O, what is the ratio of volumes of reactants at constant T and P?
A1:1
B2:1
C1:2
D2:2
✓ Correct Answer: B — 2:1
According to Gay-Lussac's law, the volumes are in the ratio of their stoichiometric coefficients (2:1).
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