Question

Calculate number of atoms in 100g Ca ???

Answer 1

Answer:

Hii mate,

Atomic mass of Calcium =40.

Given mass =100

we know that,

Mole = mass/molecular mass

Mole. =100/40 ×10^23

No. of Calcium atom =1

= 5/2 × 6.22 ×10^23 atoms.

thank u

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Answer 2

Explanation:

Total number of atoms Ca=6.022×10²³;

C=6.022×10²³;

Oxygen=3×6.022×10²³

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