# Question b1bdd

May 20, 2017

$4.5165 \times {10}^{23}$

#### 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:)