Question

The whole number mass ratio of oxygen to hydrogen in water is 8:1. How many grams of oxygen are there in 90 grams of water? how do I work problem

Answer 1

Answer: 720

Explanation:

8:1

8 represents the amount of oxygen per gram of hydrogen in water.

Multiply 8 by 90 since there are 90 grams of hydrogen and you get 720

720:90