Question

chalk contains 10 % calcium 5% carbon and 12 % oxygen find the amount of oxygen carbon and calcium in g into kg of chalk
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Answer 1

Answer:

Total weight of chalk=1kg=1000 g

Quantity of Calcium=1000×

100

10

=100 g

Quantity of Carbon=1000×

100

3

=30 g

Quantity of Oxygen=1000×

100

12

=120 g

Step-by-step explanation:

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