(Solved): Determine the number of moles of the compound and determine the number of moles of each type or dto ...

Determine the number of moles of the compound and determine the number of moles of each type or dtom (a) \( 2.51 \mathrm{~g} \) of potassium bromide, \( \mathrm{KBr} \) \begin{tabular}{l|l|} \hline compound & \( \mid \mathrm{mol} \) \\ \( \mathrm{K} \) & \( \mathrm{mol} \) \\ \( \mathrm{Br} \) & \( \mathrm{mol} \) \end{tabular} (b) \( 0.1526 \mathrm{~g} \) of hydrogen(1) phosphite, \( \mathrm{H}_{3} \mathrm{PO}_{3} \) \begin{tabular}{l|l} compound & \( \mathrm{mol} \) \\ \( \mathrm{H} \) & \( \mathrm{mol} \) \\ \( \mathrm{p} \) & \( \mathrm{mol} \) \\ \( \mathrm{O} \) & \( \mathrm{mol} \) \end{tabular} (c) \( 21.8 \mathrm{~kg} \) of magnesium carbonate, \( \mathrm{MgCO}_{3} \) \begin{tabular}{l|l} compound & \( \mathrm{mol} \) \\ \( \mathrm{Mg} \) & \( \mathrm{mol} \) \\ \( \mathrm{C} \) & \( \mathrm{mol} \) \\ \( \mathrm{O} \) & \( \mathrm{mol} \) \end{tabular} (d) \( 78.44 \mathrm{~g} \) of scandium(III) sulfate, \( \mathrm{Sc}_{2}\left(\mathrm{SO}_{4}\right)_{3} \) compound \( S c \) mol 5 mol mol \( \mathrm{mol} \)