The mass of carbon(IV)oxide produced on burning 78 g of ethyne is? [C =12, O = 16, H = 1]

2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g)

A. 264 g
B. 39 g
C. 352 g
D. 156 g

Correct Answer:

Option A = 264 g