How many moles of ZnCl2 are produced when 0.3 moles of Zn react ? (show work) Zn + 2HCI ZnCl2 + H2

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