When 1000gr of 20% Caco, sample is thermally decomposed then the weight of CO, produced is ... 4) 44 gr 3) 88 gr 2) 880 gr 1) 440 gr on of 200.
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Correct option is B)
Chemical reaction involved is:
CaCO
3
→CaO+CO
2
Molar mass of CaCO
3
=40+12+16×3=100 g
According to the balanced reaction 100 g of CaCO
3
produces 1 mol of CO
2
i.e. 22.4 L at STP.
∴50 g CaCO
3
will produce
100
22.4
×50=11.2 L CO
2
at STP.
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Chemical reaction involved is:
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