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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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juelz juelz
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11 years ago
Use the Henderson?Hasselbalch equation to calculate the  of each solution
1.) :a solution that is 0.125 M in HClO and 0.165 M in KClO
2.) a solution that contains 1.33% C2H5NH2 by mass and 1.46% C2H5NH3Br by mass
3.) a solution that is 14.5 g of HC2H3O2 in 150.0 mL of solution.
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#1
11 years ago
(1).

pH = pKa + log ([base conjugate]/[acid])

pH = - log [2.88 * 10^-8] + log (0.165/0.125)

pH = 7.66


i think...one is enough...
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