jdunlap3

A 200.0-g sample of a pure substance was composed of 131.9 g of copper and 68.1 g of sulfur. Another sample of the same substance, this time with a mass of 150.0 g, was brought to Joseph Proust to analyze. How many grams of copper and sulfur would you expect to find in the sample? What basic law in chemistry are you employing in order to make your determination? a.Law of Multiple Proportions b.Law of Combining Volumes c.Law of Conservation of Mass d.Law of Definite Composition