Question #fd090

1 Answer
May 9, 2016

Answer:

1 mole of stuff specifies #6.022140857xx10^23# individual items of that stuff.

Explanation:

So #"Number of moles of NaF"# #=#

#"Number of individual NaF species"/"Avogadro's Number"#

#=#

#(7.4xx10^24" NaF units")/(6.022xx10^23" NaF units "mol^-1)# #=# #"approx. 10 mol"#