Chemistry - CHEMICAL BONDING Question with Solution | TestHub

In the mineral of ${\mathrm{Mg}}_3(\mathrm{OH}{)}_2\left[{\mathrm{Si}}_4{\mathrm{O}}_{10}\right]$

has emperical formula ${\left({\mathrm{SiO}}_{2.5}\right)}_{\mathrm{n}}^{-}$and ${\left({\mathrm{SiO}}_3\right)}_{\mathrm{n}}^{2\mathrm{n}\ominus }$. Both emperical.formula exist in sheet silicate.