Asample has 25.7g of calcium oxide. how many moles are cao are contained in the sample?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

How many molecules are in 6.0 moles of methane