How many moles are there in 168 grams of #C_2H_4#?

1 Answer
Aug 8, 2016

Answer:

Approx. #6# #"moles"#.

Explanation:

#"Molar quantity"="Mass"/"Molar mass"#

#"Moles of ethane "= (168*cancelg)/(28.05*cancelg*mol^-1)# #=# #??*mol#.

How many moles of carbon in this quantity of ethane; how many moles of hydrogen?