A 3.82-g sample of magnesium nitride is reacted with 7.73 g of water. \mathrm{Mg}_{3} \mathrm{~N}_{2}+3 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{NH}_{3}+3 \mathrm{MgO} The yield of MgO is 3.60 g. What is

the percent yield in the reaction? А. 99.9 В. 46.6 С. 49.4 D. 78.7 Е. 94.5