Problem: Which solution is a buffer?(a) a solution that is 0.100 M in HNO2 and 0.100 M in HCl(b) a solution that is 0.100 M in HNO3 and 0.100 M in NaNO3(c) a solution that is 0.100 M in HNO2 and 0.100 M in NaCl(d) a solution that is 0.100 M in HNO2 and 0.100 M in NaNO2

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FREE Expert Solution

a. HNO2 → weak acid; HCl → strong acid

2 acid will not form buffer

b. HNO3 → strong acid; weak base → NaNO3

Conjugate pair but strong acid + and its c.base will not form buffer

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Problem Details

Which solution is a buffer?
(a) a solution that is 0.100 M in HNO2 and 0.100 M in HCl
(b) a solution that is 0.100 M in HNO3 and 0.100 M in NaNO3
(c) a solution that is 0.100 M in HNO2 and 0.100 M in NaCl
(d) a solution that is 0.100 M in HNO2 and 0.100 M in NaNO2

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Buffer concept. You can view video lessons to learn Buffer. Or if you need more Buffer practice, you can also practice Buffer practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Turnpenny & Murphy's class at BU.