Question

calculate the number of atom in 0.8 mole of hydrogen​

Answer 1

$\huge{\mathfrak{\blue{\underline{Answer}}}}$

1 mole contains = 6.022 x 10^23 ( atoms/molecules)

Hence 0.8mole of hydrogen contains

$= 0.8 \times 6.022 \times 10 {}^{23} \\ = 4.8176 \times 10 {}^{23}$

atoms