Question

\text { a.) } \mathrm{Cr}_{2} \mathrm{O}_{7}^{-2}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\mathrm{aq}) \leftrightarrow 2 \mathrm{CrO}_{4}^{-2}(\mathrm{aq})+2 \mathrm{H}^{+1}(\mathrm{aq}) \text { Reagents used to Establish Equilibrium: } \mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \text { and } \mathrm{HCl} Reagents Used to Shift Equilibrium to the Right: NaOH Ionic Equation: Reagents Used to Shift Equilibrium to the Left: HCI and Na₂Cr₂O7 lonic Equation:

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