Question

The number of moles in 28.4 g of chlorine atom (Cl) is:
C O
0.84 moles.
0.80 moles
0.82 moles
0.78 moles​

Answer 1

Answer:

first of all your options is wrong because

molar mass of chlorine atom is approx (17.75)

{A/q to your q =1.6 moles of chlorine atom

is present }

option b - 0.80 moles

Explanation:

no of moles = (given mass /molar mass)

= (28.4 /35.5)

= 0.8 moles present in 28.4 g of

chlorine molecule (Cl2)