October 28, 2016

Homework Help: chemistry

Posted by help on Thursday, November 25, 2010 at 1:55pm.

a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5.00ml of 6.00 M NAOH and the resulting solution was diluted to 750mL. The measured pH of the solution was 4.25. what is the molor mass of the weak acid.
if used the formula
i don't know how to find the molar mass

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