What is the percent by mass of each element in a compound?

1 Answer
Jul 18, 2016

Answer:

#"Mass percent of component"# #=# #"Molar mass of element"/"Molar mass of compound"xx100%# #=??#
Of course, the individual percentages should sum to #100%#.

Explanation:

The given operation is pretty straightforward. Of course, if the element is present in multiple quantities, you appropriately weight the atomic mass.