When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00g of carbon dioxide is produced . What mass of carbon dioxide will be formed when 3.00g of carbon is burnt in 50.00g of oxygen?
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Answered by
38
C + O2 → CO2
3 g 8 g 11 g
Total mass of reactants = mass of C + mass of O = 3+8=11g
Total mass of reactants = total mass of products
Hence, the law of conservation of mass is proved.
Further, it also shows carbon dioxide contains carbon and oxygen in a fixed ratio by mass, which is 3 : 8. Thus it also proves the law of constant proportions. 3 g of carbon must also combine with 8 g of oxygen only. This mean that (50 – 8) = 42 g of oxygen will remain unreacted.
Answered by
15
when 3.00 g of carbon is burnt in 50.00g of oxygen then the mass of carbon dioxide formed =53.00g
according to the law of conservation of mass the total mass before and after the reaction remains same.
3.00g +50.00g =53.00g
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