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8. Decide whether each of the following could be used to prepare a buffered solution when equal volumes of the two are mixed: a) 0.1 KNO3 and 0.1 HNO3 b)

0.2 MKNO, and 0.1 Μ ΗΝΟ, c) 0.1 M NH3 and 0.4 M HCI d) 0.1 M NH3 and 0.05 M HCI

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