A compound is known to consist of 19.36% carbon,3.25% hydrogen,and the rest is oxygen.How many grams of this compound will be needed in order to have 23.5 g of oxygen?

Question

Quizplus · Accepted Answer

The compound consists of 77.39% oxygen (100% - 19.36% - 3.25%). To find out how many grams of the compound are needed to get 23.5 g of oxygen, we use the proportion: 77.39% is to 100% as 23.5 g is to X g. Solving for X gives us X = (23.5 * 100) / 77.39 = 30.4 g.

A Compound Is Known to Consist of 19