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ciaociao
Questions (3)
Which of the following substances will give an aqueous solution of pH closes to 7 and why?
KNO3 NaHCO3 NH4I NH3 NaF Looking
2 answers
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A galvanic cell consists of a Mn/Mn^2+ electrode (E° = -1.18v) and a Fe/Fe^2+ electrode (E° = -0.44v). Calculate the ratio
2 answers
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What is the acid dissociation constant for a 0.010 M solution of the unkown acid HX that has a pH of 2.70 at equilibrium?
I know
2 answers
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Answers (3)
*closest to 7
Got it, thank you!
Thanks for the help, but I keep getting 4*10^-4 and not 5*10^-4 which is what I'm told the correct answer is. :S
