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Which would form a buffer if added to 295 mL of 0.380M HCl? Please explain why...

Which would form a buffer if added to 295 mL of 0.380M HCl? Please explain why or why not (and show all work) for each answer choice. a) 0.100 mol NH4Cl b) 0.033 mol KF c) 0.167 mol Sr(OH)2 d) 0.279 mol KNO2 e) 0.112 mol KClO

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