Question

32g of oxygen is present in 44g of carbon dioxide and 16g of oxygen is present in 18g of water vapour.Which one has more oxygen ?
please tell me the correct answer
and plz tell it fast...​

Answer 1

Answer:

Percentage of O2 in 44g of CO2 = 32/44*100

=72.73%

Percentage of O2 in 18g of CO2 = 16/18*100

=88.89%

So there is more O2 in 18g of CO2(I am pretty sure this is the way of doing it)

Please Mark me brainliest if correct.

Step-by-step explanation:

Answer 2

Calculate the following, present in 16 g of O

2

(a) The number of moles (b) Number of molecules

(c) Number of gram atoms(d) Number of atoms

(e) volume occupied by it at S.T.P.(f) Number of protons.