Question

calculate the no. of atoms in each of the following( 1) 0.08g of hydrogen (2) 0.008g of sulphur (3) 0.8g of iron

Answer 1

$1)4.8176 \times 10 to the power 24 o - atom. \\ 2)1.555 \times 10 \: to \: the \: power20 \: atom. \\ 3)8.628 \times 10to \: the \: power \: 23.$