Question

How many moles of ocygen are in 3 moles of methane?

Answer 1

= 1120 cm3 of hydrogen gas. (b) 1 mole = 22.4 l = 22400 cm3 at s.t.p. 0.125 moles = 0.125 X 22400 cm3 at s.t.p. = 2800 cm3 of methane gas.