Which of the following solutions is a buffer?
check all that apply.
a. a soluti...
Which of the following solutions is a buffer?
check all that apply.
a. a solution made by mixing 100 ml of 0.100 m ch3cooh and 500 ml of 0.100 m naoh
b. a solution made by mixing 100 ml of 0.100 m ch3cook and 50 ml of 0.100 m kcl
c. a solution made by mixing 100 ml of 0.100 m ch3cooh and 50 ml of 0.100 m hcl
d. a solution made by mixing 100 ml of 0.100 m ch3cooh and 50 ml of 0.100 m naoh
Answers: 2
Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
Answers: 1
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Compare and contrast physical changes with chemical changes.
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This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.
Answers: 1
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In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
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