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Author Question: Which of the following can act as buffer solutions? I) 0.1 M HC2H3O2/0.1 M NaC2H3O2 II) 0.1 M ... (Read 229 times)

lbcchick

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Question 1

Which condition characterizes the stoichiometric point of a neutralization titration?
◦ Equivalent amounts of acid and base have reacted.
◦ The pH is exactly 7.0.
◦ The indicator changes color.
◦ A slight excess of titrant is present.
◦ A slight excess of indicator is present.

Question 2

Which of the following can act as buffer solutions?
I)  0.1 M HC2H3O2/0.1 M NaC2H3O2
II)  0.1 M NH3/0.1 M NH4Cl
III)  0.1 M HNO3/0.1 M NaNO3
IV)  0.1 M H2SO3/0.1 M NaHSO3
V)  0.1 M KHSO4/ 0.1 M H2SO4
◦ I), II), and III)
◦ II), III) and IV)
◦ III) and IV)
◦ I), II) and IV)
◦ III), IV) and V)


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Marked as best answer by lbcchick on Jul 8, 2021

chloejackso

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lbcchick

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)


skipfourms123

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Reply 3 on: Yesterday
Gracias!

 

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