Magnesium, Mg, reacts with hydrochloric acid, HCl, to produce hydrogen gas, Hy, and magnesium chloride, MgCl2. If 0.750 mol of hydrogen gas is produced, how many moles
of magnesium chloride are also produced?

What is the mass of each element in a 324.8 sample of co2

As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave

Why is it incorrect to balance a chemical equation by changing the subscripts? explain.