Question

Air contains nearly 20% oxygen by volume. The
volume of air needed for complete combustion of
100 mL of acetylene will be :
(1) 500 mL
|(2X100 mL
(3) 250 mL
NA) 1250 mL​

Answer 1

Answer:

500ml i think but u confirm to others..

Answer 2

Answer:

Explanation:

1250 ml

D