Question

Find the percentage composition of each compound listed

below. In the first ten problems, the correct formula is given.
In the next four problems, laboratory data for the compound
are presented.
1. FeO
2. MgCl
3. CH4
4. CS₂
5. NO₂
6. HgO
7. SnI₁
8. Cu₂0
9. NH₂
10.CH₂O

Answer 1

Step-by-step explanation:

% comp is g element / g cpd x 100% get the grams from the periodic table

1) 77.78%Fe & 22.22 % O

2) 40.68 % Mg & 59.32 % Cl

3) 75 % C & 25% H

4) 15.79% C & 84.21 % S

5) 30.43 % N & 69.57 % 0

6) 92.63%Hg & 7.37 % )

7) 18.98 % Sn & 81.02 %I

8) 88.89 % Cu & 11.11 % O

9) 82.35 & N & 17.65 % H

10) 40% C & 6.67% H & 53.33 % O