Question

3. For the reaction represented by the equation
CX4 + 2o2=CO2 +2X2o
9.0 g of CX4 completely reacts with 1.73 g of oxygen.
The approximate molar mass of X (in g mol-') will be
(1) 20
(2) 40
(3) 60
(4) 80​

Answer 1

Answer:

20 is the appropriate molar mass of X