Question

Find the no. of molecules present in 1.5gram moles of O2.

Answer 1

1mole-6.023×10to the power 23

Answer 2

Mass = no. of molecules / 6.023 * 10^ 23 * Molar mass ... 1.5 ⋅10256.023⋅1023 = 51.5 moles of O2.