$2\mathrm{.}44.$ Use the predominance diagrams in the text to predict whether the following molecules and ions will react with each other. If so$,$ predict the predominant products when the mixing results in the final pH mentioned. $($a$)H_{2}Te$ and $H{S}^{**},pH$ of $6\mathrm{.}0$ ; $($b$)HT{e}^{-}$and $H{S}^{-},pH$ of $10\mathrm{.}0.$