HARDMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryMole conceptSTP/NTP & percent calculations, empirical formula, minimum molecular mass, vapour density
A 10 g sample of , gave on complete decomposition , 2.24 L of oxygen at NTP. What is the percentage purity of the sample of potassium chlorate?
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B.[object Object]✓ Correct
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Explanation
This question uses gaseous state & mole concept. Relate mass, moles and number of particles using the mole concept and basic stoichiometry; doing the algebra gives the value listed in option B.
Gaseous state & mole concept
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