Calculate the mass of magnesium oxide that is produced when 64 g of magnesium is combined with 1.32 g of oxygen

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5