Question

a chicken egg has a mass of 60g .The egg shell is 10% of the total mass.The egg shell is made of calcium carbonate.What is the mass of calcium in the egg shell?

Answer 1

Answer:

so the mass of calcium carbonate=

Explanation:

$60g \times 10 \div 100 \\ = 1 \div 10 \times 60 = 6g \: answer$

Answer 2

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