why can we only use whole numbers for molecules but can uses min whole numbers for mole coefficients?

2. how is heavy water different from normal water

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

What methods could you use to solubilize calcium carbonate