Chemistry, 10.11.2019 23:31 lillybritn
Equal volumes of two solutions, one containing a strong acid at ph 2 and the other containing a strong base at ph 12, are mixed. once equilibrium is achieved, what is the final ph of the combined solution?
Answers: 3
![\text{[H$^{+}$]}= 10^\text{-pH} \text{ mol/L} = 10^{\text{-2}} \text{ mol/L}\\ \text{ moles of H}^{+} = \text{ 1 L solution} \times \dfrac{10^{-2}\text{ mol H}^{+}}{\text{1 L solution}} = 10^{-2}\text{ mol H}^{+}](/tpl/images/0368/3680/7114d.png)
![\text{[OH$^{-}$]}= 10^\text{-pOH} \text{ mol/L} = 10^{\text{-2}} \text{ mol/L}\\ \text{ moles of OH}^{-} = \text{ 1 L solution} \times \dfrac{10^{-2}\text{ mol OH}^{-}}{\text{1 L solution}} = 10^{-2}\text{ mol OH}^{-}](/tpl/images/0368/3680/627ff.png)
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Equal volumes of two solutions, one containing a strong acid at ph 2 and the other containing a stro...
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