Question

Calculate no of moles, molecules and atoms in 500 mg of co2

Answer 1

2 moles of CO2

= 2 * 6.022 * 1023 molecules of CO2

= 1.2044 * 1024 molecules of CO2

Now 1 molecule of CO_2 contains 3 atoms (1 C and 2 O)

Therefore total no. of atoms in 2 moles of CO2

= 3 x 1.2044 * 1024

= 3.6132 * 1024