Question

How many molecules of SO3 are present in 48g of SO3?

Answer 1

3.6 ×10^23

Step-by-step explanation:

moles = mass/ molar mass

molar mass= (1×32) +(3×16)= 80

moles = 48/ 80

=0.6

moles = number of molecules/ 6×10^23

number of molecules = moles × 6×10^23

=0.6 × 6×10^23

=3.6 ×10^23