chemistry

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if 200mg of HCl is added to water to achieve a final volume of 1.00 L, what is the final pH?

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200 mg HCl = ?? moles.
0.200 g/molar mass HCl = moles.
Since HCl is a strong acid (it ionizes 100%), that will be the (H3O^+) in 1.00 L, therefore, M is that amount.
Then pH = -log(H3O^+).

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