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CSSA chemistry
Re: CSSA Chemistry 2011 leaving 0.0087 moles of unreacted HCl. being able to fully ionize, the H+ concentration is that of the entire molecule. THEREFORE pH = -log(0.0087) You used number of moles, rather than concentration. What you should have done is: c=0.0087/0.0035 , then log it. (35... -