Friday
April 18, 2014

Homework Help: chem

Posted by Rebekah on Sunday, April 10, 2011 at 7:19pm.

Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution? (Select all that apply.)

NaCN and HCN
NaCN and NaOH
HCN and NaOH
HCl and NaCN
HCl and NaOH

I thought it was the middle three because each either has a strong base or strong acid but its wrong.

How are you suppose to know?
thans

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chem - Which of the following pairs of substances, when mixed in any proportion ...
chem - Which of the following pairs of substances, when mixed in any proportion ...
Chemistry (repost) - Which of the following pairs of substances, when mixed in ...
chemistry - Which of the following pairs can be used to prepare a buffer? (...
chemistry - Which of the following substances can act as a Bronsted acid in ...
Chemistry - You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0....
Chemistry - You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0....
science - Which pairs of substances will form a buffer when mixed in equal ...
chem - Which of the following solutions represent a buffer system? Select all ...
Chemistry - pKa1 = 2.148, pKa2 = 7.198, pKa3 = 12.375 You wish to prepare 1.000L...

Search
Members