Question

How many atoms are there in 5 moles of calcium

Answer 1

sine Ca atomic mass is 40
one mole contain that much of atom
$1\times 6.022 \times 10 {}^{23}$
5 mole contains
$5 \times 6.022 \times 10 {}^{23}$
$30.11 \times 10 {}^{23}$
it is the answer

please mark as brainlist answer

Answer 2

In one mole of calcium there are 6.022 x 10^ 23 atoms.
5 moles
5×6.022 × 10^23
30.11×10^23