How do you calculate the percentage by mass of carbon in carbon monoxide?

1 Answer
Nov 7, 2016

#"%C by mass"# #=# #"Mass of carbon"/"Mass of carbon + oxygen"xx100%#

Explanation:

#"So %C by mass"# #=# #(12.011*g*mol^-1)/((12.011+15.999)*g*mol^-1)xx100%#

So #C-=O#, percentage carbon by mass is a bit under #50%#.