A. KClO4
B. KClO
C. KClO2
D. KClO3
Correct Answer:
Option D – KClO3
Explanation
K- (31.91%), Mole = 31.91/39 =0.8182
Cl-(28.93%), Mole = 28.93/35.5 = 0.815
O-(39.16%), Mole = 39.6/16 = 2.448
K = 0.8182/0.815 = 1
Cl = 0.815/0.815 = 1
O = 2.448/0.815 = 3
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![A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180. Find the molecular formula. [H = 1, C = 12, O = 16]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180. Find the molecular formula. [H = 1, C = 12, O = 16]")
