Question

a)One reaction that produces hydrogen gas can
be represented by the unbalanced chemical
equation Mg(s) + HCl(aq) −→ MgCl2(aq) + H2(g)
What mass of HCl is consumed by the reaction of 1.69 mol
of magnesium? Answer in units of g

b)What mass of MgCl2 is produced? answer in units of g

c)what mass of H2 is produced? answer in units of g