chalk contains 10%calcium,3%carbon and 12%oxygen .find the amount of carbon and calcium(in grams) in 5/2kg of chalk
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Answer:
Carbon =3/100×5/2
=3/40kg
=3/40×1000
=75grams.
Calcium =10/100×5/2
=1/4kg
=1/4×1000
=250grams.
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Hope it helps........
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