Question

23 x. Calculate the mass of 6.68 x 10 molecules of PCI,​

Answer 1

Answer:

Molar mass PCl3 = 137.33 g/mol

1 mol PCl3 = 6.022*10²³molecules

Mass of 6.68*10²³ molecules = 137.33 g * 6.68*10²³ /6.022*10²³ = 152.33 g