Question

Chalk contains 10% calcium, 3% carbon, and 12% oxygen. Find the amount
grams) of each of these compounds in 1 kg of chalk. answer is 100 g
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Answer 1

Answer

Total weight of chalk=1kg=1000 g

Quantity of Calcium=1000×10/100=100 g

Quantity of Carbon=1000×3/100=30 g

Quantity of Oxygen=1000×12/100=120 g

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