Which of the following can act as buffer solutions? I) 0.1 M ...

[lbcchick]

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)

[chloejackso]

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[lbcchick]

Thanks for the timely response, appreciate it

[alvinum]

Gracias!