223k views
3 votes
If you have 210.3 grams of an unknown compound that contains 12.3 grams of hydrogen (H), what is the percent by mass of hydrogen in the compound

User Akousmata
by
8.5k points

1 Answer

4 votes
the percent by mass of hydrogen in the compound is found by doing: (12.3/210.3) x 100 = 6%
Hope this will help
User Alex Hoppus
by
8.5k points