Calculate the pH of a solution made by mixing 100.0 mL of 0.050 M NH3 with 100.0 mL of 0.100 M HCl. (K b for NH 3 = 1.8 x 10 â5 )

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Collen VonLv2

13 Dec 2019

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1) Rank the following titrations in order of increasing pH at the halfway point to equivalence (1 = lowest pH and 5 = highest pH).

1 2 3 4 5 200.0 mL of 0.100 M HC₂H₃O₂ (K_a = 1.8 x 10^-5) by 0.100 M NaOH

1 2 3 4 5 200.0 mL of 0.100 M H₂NNH₂ (K_b = 3.0 x 10^-6) by 0.100 M HCl

1 2 3 4 5 100.0 mL of 0.100 M HF (K_a = 7.2 x 10^-4) by 0.100 M NaOH

1 2 3 4 5 200.0 mL of 0.100 M (C₂H₅)₂NH (K_b = 1.3 x 10^-3) by 0.100 M HCl

1 2 3 4 5 100.0 mL of 0.100 M HCl by 0.100 M NaOH