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Chemistry, 24.02.2020 18:56, deeoki3384
A solution is prepared in a 50 mL volumetric flask by mixing 3 mL of 0.00312 M NaSCN with 15mL of 0.20M Fe(NO3)3. Enough 0.25 M HNO3 is added to fill the flask to the 50 mL mark. Before equilibrium was established, what was the initial concentration of SCN- in the solution?
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Chemistry, 22.06.2019 05:00, mahhvelousg97
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
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A solution is prepared in a 50 mL volumetric flask by mixing 3 mL of 0.00312 M NaSCN with 15mL of 0....
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