Question

Calculate the number of moles in 20g of calcium carbonate

Answer 1

Answer:

20/100=0.2mol

Explanation:

formulae=mole=mass/molae mass

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Answer 2

Hey user here is answer

According to Question

We have to find no. Of moles of Ca

As we know that

No. Of moles =Mass/Molar mass

As given

Mass of calcium =20g

Therefore

Molar mass of calcium =40

Now

No.Of moles =20/40

No. Of moles=1/2

No. Of moles=0.5 answer

Thanks for asking