subject
Chemistry, 14.06.2021 17:10 keni97

Which of the following aqueous solutions are good buffer systems? a. 0.34 M calcium iodide + 0.22 M sodium iodide.
b. 0.27 M ammonia + 0.38 M ammonium nitrate.
c. 0.27 M nitric acid + 0.18 M sodium nitrate.
d. 0.18 M hydrofluoric acid + 0.14 M hydroiodic acid.
e. 0.14 M calcium hydroxide + 0.28 M calcium chloride.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 22:30
200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?
Answers: 2
question
Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
question
Chemistry, 22.06.2019 00:50
If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?
Answers: 1
question
Chemistry, 22.06.2019 11:30
If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
You know the right answer?
Which of the following aqueous solutions are good buffer systems? a. 0.34 M calcium iodide + 0.22 M...
Questions
question
Geography, 26.06.2021 17:30
question
Chemistry, 26.06.2021 17:30
question
Mathematics, 26.06.2021 17:30
question
Spanish, 26.06.2021 17:30
question
Mathematics, 26.06.2021 17:40
question
Business, 26.06.2021 17:40
question
Spanish, 26.06.2021 17:40