How many molecules are in 7.90 moles of CH4?

$$1.31~x~10^{−23}~molecules$$

$$7.62~x~10^{22}~molecules$$

$$4.76~x~10^{24}~molecules$$

$$2.30~x~10^{25}~molecules$$

I got D

Question

How many molecules are in 7.90 moles of CH4?
		
$$1.31~x~10^{−23}~molecules$$
		
$$7.62~x~10^{22}~molecules$$
		
$$4.76~x~10^{24}~molecules$$
		
$$2.30~x~10^{25}~molecules$$

I got D

sweetburger · Answer

Alright now that it definitely says molecules instead of atoms i think i can help with this question correctly..

1 mole = 6.022x10^23 molecules so
7.90moles x 6.022x10^23molecules/mole = ?

rhondasommer · Answer

oh It is C :)

sweetburger · Answer

I think if the question was asking for the number of atoms then it would be D.

sweetburger · Answer

because you would multiply your answer by 5

rhondasommer · Answer

oh ok