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Solution: Calculate the [H+] of each of the following solutions at 25ºC. Identify each solution as neutral, acidic, or basic.a. [OH -] = 1.5 M

Problem

Calculate the [H+] of each of the following solutions at 25ºC. Identify each solution as neutral, acidic, or basic.

a. [OH -] = 1.5 M

Solution

The relationship between [H+] and [OH-]:

$\overline{){{\mathbf{K}}}_{{\mathbf{w}}}{\mathbf{=}}\left[{\mathbf{H}}^{\mathbf{+}}\right]\left[{\mathbf{OH}}^{\mathbf{-}}\right]}$

Kw = autoionization constant of water

Kw = 1.0x10-14 at T = 25°C

Recall that:

• [OH-] > [H+] basic
• [H+] > [OH-acidic
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