Asolution has a ph of 2.5. what is its [oh-] ?

3.2 x 10-3

3.2 x 10-12

3.2 x 10-2

11.5

pH + pOH = 14

pH = 2.5 then pOH = 11.5

[OH-] = 10^(-pOH) =10^(-11.5)

= 3.2 x 10^(-12)

a galvanic cell( aka voltaic cell) and electrolytic cell

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how do models compare to real-world objects?

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