How many grams of carbon monoxide can you produce from 3 grams of carbon and an excess of oxygen?

1 Answer
Aug 28, 2016

About #7# #g# of #CO#,

Explanation:

We need (i) a stoichiometric equation:

#C(s) +1/2O_2(g) rarr CO(g)#

And now (ii) we need the equivalent quantity of #C#.

#"Moles of carbon"# #=# #(3.0*g)/(12.011*g*mol^-1)# #=# #1/4*"mole"#.

So mass of carbon monoxide #=# #1/4*molxx28*g*mol^-1# #=# #7*g#.