Question

41) if 11 g of carbon dioxide of x molecules
, how many molecules are there in 7 g of nitrogen gas?
a) %*
c) 2x
b) X
d) 4x
e. 8x​

Answer 1

Answer:

Answer should be x

Explanation:

It is because, no of moles of Carbon dioxide would be given mass divided by molecular mass

11g/44g = 0.25 moles

No. of molecules would equal to no. of moles multiplied by Avogadro's number

similarly, no. of moles of nitrogen gotta be

7g/28 = 0.25 moles

Therefore the no. of molecules are same in both