can someone please help me with this question??

0 ⤊

can someone please help me with this question??

A sample of an unknown compound with a mass of 2.876 g has the following composition: 66.07 percent carbon, 6.71 percent hydrogen, 4.06 percent nitrogen and 23.16 percent oxygen. What is the mass of each element in this compound?

Its for 9th grade pre chemistry. thanks!! (:

2007-02-25 11:33:00 · 2 answers · asked by that girl♥ 1 in Science & Mathematics ➔ Chemistry

2 answers

2.876 x .6607 = C
2.876 x .0671 = H
2.876 x .0406 = N
2.876 x .2316 = O

2007-02-25 11:39:03 · answer #1 · answered by physandchemteach 7 · 0⤊ 0⤋

Take the mass and multiply it by .6607, .0671, .0406, and .2316

This gives you the mass of C,H,N, and O respectively.

2007-02-25 19:39:21 · answer #2 · answered by tickdhero 4 · 0⤊ 0⤋