Question

describe how to do percent by mass by completing the following paragraph. the ____ of a compound is __ to the __ of the masses of the ____ that make up the compound. this demonstrates the law of ______

Explanation:

The percent - by - mass of a compound is related to the sum of the masses of the elements that make up the compound. This is based on the law of definite proportions which states that a given chemical compound always contains its component elements in fixed ratio (by mass).

Answer:

The percent - by - mass of a compound is equal to the sum of the masses of the elements that make up the compound. This demonstrates the law of definite proportions.