chalk contains calcium, carbon and oxygen in the ratio 10:3:12. find the percentage of carbon in chalk?
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Answered by
5
Step-by-step explanation:
Let chalk contains 10x calcium, 3x carbon and 12x oxygen.
Then percentage of carbon in the chalk =10x+3x+12x3x×100
=25x3x×100
=3×4
=12%
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Answered by
6
Step-by-step explanation:
Chalk contains calcium , carbon and oxygen in the ratio 10 :3 :12 . Find the percentage of carbon in chalk.
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