GUYS PLEASE HELP ME WITH THESE TWO QUESTIONS
MY QUIZ IS DUE AT MIDNIGHT:(
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Chemistry, 21.10.2020 04:01 fruitsnaxFTW5535
GUYS PLEASE HELP ME WITH THESE TWO QUESTIONS
MY QUIZ IS DUE AT MIDNIGHT:(
Answers: 2
Chemistry, 22.06.2019 04:30
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a grayβblack metal that is hard to the touch. c. it has a melting point of 2795Β°f (1536Β°c). d. it is a good conductor of heat
Answers: 2
Chemistry, 22.06.2019 05:00
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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