Question

a sample of caco3 of 90 kg contains 45 kgs of caco3 then find the percentage of purity of the sample​

Answer 1

Answer:

In 100 g CaCO

3

, 40 g Ca is present.

In 4 g CaCO

3

, Let x g Ca be present

4

x

=

100

40

⟹x=1.6 g

Explanation:

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