Question

Which of the following combination of volumes (mL)
of C2H4 (g) and O2 (g) respectively is required to
obtain 400 mL of CO2 (g)? All volumes are
measured at STP.
(1) 100, 300 (2) 200, 600
(3) 200, 200
(4) 300, 300​

Answer 1

Answer:

2) 200,600

Explanation:

multiply the coefficients of the compounds that's why the coefficient of the Carbon di oxide is 400