How many moles are in #4.5 xx 10^24# molecules of sodium fluoride, NaF?

1 Answer
Feb 16, 2018

Answer:

7.5 moles

Explanation:

You compare this amount to 1 mole of substance.

1 mole of substance (NaF) has #6.022 xx 10^23 # molecules.

No. of moles #=( 4.5xx10^(24)cancel"molecules")/(6.022xx10^23 cancel("molecules")/"mol")=7.5 "moles"#

Note: Technically NaF is an ionic compound, not a molecular compound.