1. Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) a. How many moles of magnesium are consumed by the reaction if 182 g HCl are also consumed?
b. If 4.0 g H, are produced in the reaction, how many moles of HCl were added to the reaction?

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.

50.23 i believe is correct but don't quote me on that.