Problem $2$

a$)$ For $6\mathrm{.}70$ kg of a magnesium$-$lead alloy, is it possible to have the masses of primary $$ and total $$ of $4\mathrm{.}23$ kg and $6\mathrm{.}00$ kg $,$ respectively, at $460C(860F)?$ Why or why not? $(10)$

Composition $($at$\%$ Pb$)$