A. 22.4 dm³
B. 33.6 dm³
C. 44.8 dm³
D. 67.2 dm³
Correct Answer:
Option D – 67.2 dm³
Explanation
2KClO3 → 2KCl + 3O2
3 moles of oxygen is produced
1 moles of oxygen is 22.4 dm³
3 moles of oxygen is 67.2 dm³
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![The volume occupied by 0.4 g of hydrogen gas at s.t.p. is? [H = 1. 00; Molar volume at s.t.p. = 22.4 dm³]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "The volume occupied by 0.4 g of hydrogen gas at s.t.p. is? [H = 1. 00; Molar volume at s.t.p. = 22.4 dm³]")