Question
En el punto de congelación del agua $\left(0^{\circ} \mathrm{C}\right), K_w=1.2 \times$ $10={ }^{-15}$. Calcule $\left[\mathrm{H}^{+}\right]$y $[\mathrm{OH}=]$ de una disolución neutra a esta temperatura.
Step 1
Step 1: Write down the equation for the autoionization of water: \[2H_2O \rightleftharpoons H_3O^+ + OH^-\] Show more…
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At the freezing point of water $\left(0^{\circ} \mathrm{C}\right), K_{w}=1.2 \times 10^{-15}$ Calculate $\left[\mathrm{H}^{+}\right]$ and $\left[\mathrm{OH}^{-}\right]$ for a neutral solution at this temperature.
At $50^{\circ} \mathrm{C}$ the value of $K_{\mathrm{w}}$ is $5.5 \times 10^{-14} .$ What are the concentrations of $\mathrm{H}_{3} \mathrm{O}^{+}$ and $\mathrm{OH}^{-}$ in a neutral solution at $50^{\circ} \mathrm{C} ?$
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