Question

Question 27
How many molecules are in 28 g of CO2?
O 3.5 x 10-21
O 7.42 x 1026
3.83 x 1023
O 3.8 x 1044

Answer 1

Answer:

3.83x10^23

Explanation:

number of moles of co2 is 0.636364

but number of molecules = number of moles times 6.02x10^23