What is the mass of #5.306xx10^12# individual molecules of #PCl_3#?

1 Answer
Jun 27, 2017

Answer:

Well for #5.306xx10^12# #"molecules"# of #PCl_3#, we gots a #"nanogram"# mass.

Explanation:

#"Mass"="Molar quantity"xx"molar mass"=#

#(5.306xx10^12*"molecules"xx137.33*g*mol^-1)/(6.022xx10^23*"molecules"*mol^-1)#

#=1*"ng"#