Question

hi


Q .calculate the mass of 0.72 grams molecules of CO2


please answer it correctly
the correct answer will get brainly
I needed this answer urgently ​

Answer 1

Answer:

answer is in photo

Explanation:

so the mass of 0.72 molecules is 31.68 grams

Answer 2

Answer:

31.68 gm

Explanation:

l think you mean 0.72 moles .

0.72 gram molecules doesnt quite make sense.

lets apply mole concept ,

molar mass of CO2 is (12+16×2)= 44gm/mole .

so mass of 1 mol is 44 gm

so mass of 0.72 moles is,

44×0.72 which is 31.68 gm