Question $3$

$5$ pts

A reaction mixture $2Mg(s)+O_2((g))>2$MgO$(s)$ contains $38\mathrm{.}6gMg$ and $53\mathrm{.}2g{O}_2.$ What is the theoretical yield of MgO $?$

$66\mathrm{.}9g$

$89\mathrm{.}53g$

$64\mathrm{.}1g$

$64\mathrm{.}0929g$