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OpenStudy (anonymous):
Determine the pH when 8.0 mL of the NaOH solution is added to 50.0 mL of the HCN solution. NaOH=0.100M HCN=0.0320M The answer is pH=9.21, but I don't know how to get it.
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OpenStudy (wolfe8):
I think you find which ion is in excess between H+ and OH- then use pH=-log [H+]
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