You are given 1 liter of each of the following solutions: 1M HCl, 1M NaOH, 1M...

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Chemistry

You are given 1 liter of each of thefollowing solutions: 1M HCl, 1M NaOH, 1M NH₃ , 1MHC₂H₃O₂ , 1MNH₄Cl,1MNaC₂H₃O₂
a) Describe 4 different methods forpreparing a buffer solution
b) Describe how you would prepare400 ml a buffer with a pH= 4.74 and a buffer with pH= 9.25
c) Draw titration curves for :strong acid-strong base, strong acid-weak base, strong base-weakacid. Label the graph axes, indicate initial pH and pH atequivalence. Â Â

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4.1 Ratings (820 Votes)

a) The buffer solution consists of a 1) weak acid and its salt with strong base

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2) weak base and its salt with a strong acid.

Â Â Â Â 1) Mixing 1MNH₄Cl & 1M NH_3Â Â Â The volumes used should be different

Â Â Â Â Â 2) mixing 1M HC₂H₃O₂ , & 1MNaC₂H₃O₂Â Â Â Â The volumes used should be different

Â Â Â Â 3) MixingÂ Â 1M HCl, & 1M NH₃Â Â The volumes used should be different

Â Â Â Â Â Â 4) MixingÂ Â 1M NaOH & 1MNH₄Cl The volumes used should be different

B)Â Â The Ka and Kb values are not given......we need that

Â Â

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