Calculate the number of molecules of carbon dioxide present in 4.4g of carbondioxide.
Answers (1)
Weight of CO2 in gram per moles =(12) + (16*2) = 12+32 = 44 g/moles.
Now, for 4.4 grams of CO2, we get:
4.4/44 = 0.1 moles
Now, number of molecules:-
0.1 x 6.022 x 1023 = 0.6022 x 1023 = 6.022 x 1022 molecules.