Question

Potassium chlorate, KCIO, decomposes upon heating as follows:
2KCIO3(s) 2KCI(s) + 302(g)
In an experiment, a 1.61-g sample containing KCIO3 was heated and the oxygen
gas produced by the reaction was collected over water at 26°C. The water vapour
pressure at 26°C is 0.033 atm and the external pressure during experiment is 1.007
atm. Calculate the percentage of KClO3 in the sample if the volume of oxygen gas
collected was 475 mL.
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Answer 1

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Methane is a chemical compound with the chemical formula CH₄. It is a group-14 hydride and the simplest alkane, and is the main constituent of natural gas.