Rovnovážná konstanta pro chemickou reakci
Zapiš rovnovážnou konstantu pro následující reakce:
\( \mathrm{Mg}_{2} \mathrm{P}_{2} \mathrm{O}_{7} \rightleftarrows 2 \mathrm{Mg}^{2+}+\mathrm{P}_{2} \mathrm{O}_{7}^{4-} \)
\( K=\frac{\left[\mathrm{Mg}^{2+}\right]^{2} \cdot\left[\mathrm{P}_{2} \mathrm{O}_{7}^{4-}\right]}{\left[\mathrm{Mg}_{2} \mathrm{P}_{2} \mathrm{O}_{7}\right]^{2}} \)
\( K=\frac{\left[\mathrm{Mg}^{2+}\right] \cdot\left[\mathrm{P}_{2} \mathrm{O}_{7}^{4-}\right]^{2}}{\left[\mathrm{Mg}_{2} \mathrm{P}_{2} \mathrm{O}_{7}\right]} \)
\( K=\frac{\left[\mathrm{Mg}^{2+}\right]^{3} \cdot\left[\mathrm{P}_{2} \mathrm{O}_{7}^{4-}\right]}{\left[\mathrm{Mg}_{2} \mathrm{P}_{2} \mathrm{O}_{7}\right]} \)
\( K=\frac{\left[\mathrm{Mg}^{2+}\right]^{2} \cdot\left[\mathrm{P}_{2} \mathrm{O}_{7}^{4-}\right]}{\left[\mathrm{Mg}_{2} \mathrm{P}_{2} \mathrm{O}_{7}\right]} \)