How many molecules of CO2 are in 0.250 moles of CO2?

Answer 1

There are 6.022 x 10²³ molecules in 1 mole of any substance. Therefore, in 0.250 moles of CO₂ there would be (0.250 mol CO₂) (6.022 x 10²³ mc//1 mol) = 1.51 x 10²³ molecules