In the following reaction: Mg + 2 HCl → MgCl2 + H2:

a)the mole ratio of reactants is 1:2 or 2:1

b)the mole ratio of magnesium to hydrogen is 1:2

c)the mass ratio of magensium do hydrogen is roughly 12:1

d)the mole ratio of hydrochloric acid to magnesium chloride is the same as the mole ratio of magensium to hydrochloric acid

e)the mass ratio of Mg to MgCl2 is constant

f)the ratio of magnesium atoms to the hydrogen molecules is not constant

this can a be a multiple choince answer