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Calculate the mass of oxygen obtained by...

Calculate the mass of oxygen obtained by complete decomposition of 10kg of pure potassium chlorate (Atomic mass K=39,O=16 and Cl=35.5)

Text Solution

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`{:(2KClO_(s)(s),to,2KCl(s) + 3O_(2)(g)),(2xx 122.5 kg,," "2xx 32 kg):}`
Mass of `O_(2)` obtained by 10 kg of `KClO_(3) = (96 xx 10)/245 = 3.92 kg`
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