How many molecules or formula units are present in the following? A)1 mole of H2O B) 2.67 moles of CO2

1 Answer
Jul 16, 2017

Answer:

a. #6.02*10^(23)#

b. #1.61*10^(24)#

Explanation:

#"Number of molecules"=("Avogradro's constant")*("Number of moles")#

a. #"Number of molecules"=1(6.02*10^(23))=6.02*10^(23)#

b. #"Number of molecules"=2.67(6.02*10^(23))=1.60734*10^(24)~~1.61*10^(24)#