1. Structure 1 — Models of the Particulate Nature of Matter

Percentage Composition — Quiz

Test your understanding of percentage composition with 5 practice questions.

Practice Questions

Question 1

What does percentage composition of a compound describe?

Question 2

Which expression is used to calculate percentage composition by mass of an element?

Question 3

What is the percentage composition of oxygen in $H_2O$?

Question 4

What is the percentage composition of carbon in $CO_2$?

Question 5

What is the percentage composition of hydrogen in $CH_4$?