Respuesta :

There are 6.022 x 10^23 formula units per mole


2.41 x 10^24 / 6.022 x 10^23 = 4.00 moles

Answer: The number of moles of sodium chloride are 0.40 moles

Explanation:

We are given:

Number of formula units = [tex]2.4\times 10^{23}[/tex]

According to mole concept:

[tex]6.022\times 10^{23}[/tex] number of formula units are contained in 1 mole of a substance

So, [tex]2.4\times 10^{23}[/tex] number of formula units will be contained in [tex]\frac{1}{6.022\times 10^{23}}\times 2.4\times 10^{23}=0.40[/tex] moles of sodium chloride

Hence, the number of moles of sodium chloride are 0.40 moles