Question

class 9th question.
plz give me the solution:-​

Answer 1

a.)Molar mass of oxygen gas = 32 grams/ mole

32 grams -> 1 mole
12 grams -> 12/32 = 6/16 = 3/8 mole


b.)Molar mass of Carbon dioxide = 44 grams/ mole

44 grams -> 1 mole
22 grams -> 22/44 = 1/2 mole

Answer 2

1)2.67 moles

2) 0.5 moles