in an experiment $4\mathrm{.}7$g Al$203$ and excess HF were dissolved in $500$ml of $0\mathrm{.}12$M NaOH if $3\mathrm{.}45$g Na$2$AIF$6$ was obtained.a$)$ Determine the Actual yieldb$)$ Determine the theoretical yield.c$)$ Determine the percent yield of the experiment.