Which one of the following is a buffer solution?
options:
a) 1.0 M HNO3 and 1.0 M NaOH
b) 0.50 M HCl and 0.10 NaCl
c) 0.40 M NaNO3
d) 0.45 M HCN and 0.35 KCN
e) 0.55 M HC2H3O2
Which one of the following is a buffer solution? options: a) 1.0 M HNO3 and 1.0 M NaOH b) 0.50 M HCl and 0.10 NaCl c) 0.
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