Question

P 1: NO 1:- Determine the number of atoms in 5.5g of calcium?​

Answer 1

Answer:

40 gram of Ca = 6.023×10²³ atoms

1 gram of Ca = 6.023×10²³

40

5.5 gram of Ca = 6.023×10²³× 5.5

40

= 0.8281265×10²³