Chalk contains 10%calcium , 3%carbon and 12%oxygen. Find the amount (in grams) of each of these components in 250g of chalk.
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Answered by
4
Answer:
calcium=25grams,carbon=7.5grams,
oxygen=30grams.
Step-by-step explanation:
calcium=10/100×250
=1/1×25
=25grams
carbon=3/100×250
=3/1×2.5
=7.5grams
oxygen=12/100×250
=6/1×5
=30grams
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0
Answer:
Step-by-step explanation:
go and do by yourself
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