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August 31, 2015

Homework Help: Chemistry

Posted by Chem on Monday, August 10, 2009 at 8:08pm.

1) How many drops of 12M HCl would you add to 1.00 L of 0.100 M HC2H3O2 to make [C2H3O2-] = 1.0 x 10^-4 M? Assume that 1 drop = 0.050 mL and that the volume of the solution remains 1.00 L after the 12 M HCl is diluted. [Hint: What must be the [H3O+] in the solution?]

2. What mass of NaC2H3O2 should be added to 1.00 L of 0.100 M HC2H3O2 to produce a solution with pH = 5.00? Assume that the volume reamins 1.00 L.

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