Question

determine o numero de atomos em 2;5moles

Answer 1

A)

1 mol - 6x10^23

2 mols - x

x=12x10^23

b)

1 mol - 6x10^23

0,5mol - x

x=3x10^23

c)

40g - 6x10^23

10g - x

x=1,5x10^23

d)

32 - 6x10^23

128 - x

x=24x10^23