Question

Chalk contains 10% calcium,3% carbon and 12%oxygen.Find the amout of each of these compounds in 1Kg of chalk​

Answer 1

Answer:

calcium=10%of 1000g

10/100×1000

=100g

carbon=3% of 1000g

=3/100×1000g

=30g

oxygen=12% of 1000g

12/100×1000

=120g

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