Question

calculate the number of atoms in 0.2mole in carbon dioxide​

Answer 1

Explanation:

Remember this- Number of particles= number of moles × 6.022×10^23

Here we r given 0.2 moles of carbon so,

Number of particles= 0.2 × 6.022×10^23

=1.2044 × 10^23

Also note that number of moles=mass of given substance÷molar mass of the substance

Hope it helps u!!