(Solved): Balance the following chemical equation (if necessary): \[ \mathrm{BF}_{3}(\mathrm{~s})+\mathrm{Li} ...

Balance the following chemical equation (if necessary): \[ \mathrm{BF}_{3}(\mathrm{~s})+\mathrm{Li}_{2} \mathrm{SO}_{3}(\mathrm{~s}) \rightarrow \mathrm{LiF}(\mathrm{s})+\mathrm{B}_{2}\left(\mathrm{SO}_{3}\right)_{3}(\mathrm{~s}) \] Balance the following chemical equation (if necessary): \[ \mathrm{K}_{2} \mathrm{O}(\mathrm{s})+\mathrm{H}_{2} \mathrm{O}(\mathrm{I}) \rightarrow \mathrm{KOH}(\mathrm{aq}) \] Balance the following chemical equation (if necessary): \[ \mathrm{Ca}(\mathrm{OH})_{2}(\mathrm{~s})+\mathrm{H}_{3} \mathrm{PO}_{4}(\mathrm{aq}) \rightarrow \mathrm{H}_{2} \mathrm{O}(\mathrm{l})+\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}(\mathrm{aq}) \] Balance the following chemical equation (if necessary): \[ \mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{3}(\mathrm{aq})+\mathrm{Sn}(\mathrm{s}) \rightarrow \mathrm{Fe}(\mathrm{s})+\mathrm{Sn}\left(\mathrm{NO}_{3}\right)_{2}(\mathrm{aq}) \]