C
i think i am sorry if am wrong
When multiplying and deviding follow the least number of sf.
since wavelength = 1/period
hence wavelength=1/2.7
=0.37 (2sf)
<span>Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.</span>
Answer:
There is one carbon atom in every carbon tetrachloride molecule, which means that there is an equal number of carbon atoms to carbon tetrachloride molecules. 5.089 x 1022 atoms of C.
Explanation:
Hope this helped, Have a Wonderful Day!!
What I can’t see the pic ?hhbc639l73773 ghcbhjbch
