Question #b1bdd

1 Answer
May 20, 2017

Answer:

#4.5165 xx 10^23#

Explanation:

One mole of any substance contains a number of molecules equal to the Avogadro Constant, which is #6.022×10^23#.
So, in 0.75 moles, there will be #0.75xx(6.022×10^23) = 4.5165 xx 10^23# molecules

Hope this helps; let me know if I can do anything else:)