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Physical Chemistry

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22 Jun 2012 23:18:09 IST

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chemistry question plz help!!1

Engineering Entrance , Medical Entrance , AIPMT , JEE Main , AIIMS , JEE Advanced , Chemistry , Physical Chemistry

How many moles of impure potassium chlorate of 75% purity are reqd to produce 1.5 moles of oxygen??? plz show the calculations also........

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Uppinder Chugh

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23 Jun 2012 11:37:31 IST

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The reaction on heating potassium chlorate is:

KClO₃ ---> KCl + 3/2O₂

Let x moles of KClO3 be required, then

, Thus, x = 4/3. Cheers.

batra

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23 Jun 2012 15:53:35 IST

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thank u so much!!

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