Question

If you have 5 moles of H2, how many moles of O2 will you need to use up all of the H2 without having any reactants leftover ?

Question 4 options:

0.4 moles O2


5 moles O2


2.5 moles O2


10 moles O2

Answer 1

Yo sup??

one mole of H2 reacts with half mole O2

therefore 5 moles will react with

=5*0.5

=2.5 mole

Hence the correct answer is option C

Hope this helps