Chalk contains 3%of carbon, 10%of calcium and 12%of oxygen. Find the amount in grams of each of these substances in 5/2 lg of chalk
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chalk = 3% of 5/2kg
=3% of 2500g
=(3*2500)/100=75g
calcium=10% of 2500g=250g
orygen=12% of 2500= 12*25=300g
=3% of 2500g
=(3*2500)/100=75g
calcium=10% of 2500g=250g
orygen=12% of 2500= 12*25=300g
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