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28 Nov 2019


Which one of the following is a buffer solution?

0.40 M HCN and 0.10 KCN
0.20 M CH3COOH
1.0 M HNO3 and 1.0 M NaNO3
0.10 M KCN
0.50 M HCl and 0.10 NaCl

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Patrina Schowalter
Patrina SchowalterLv2
24 Oct 2019

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