Question- what mass of sodium fluoride mm 420 gmol must be
Question- What mass of sodium fluoride (MM 42.0 g/mol) must be added to 500. mL of a 0.20 M HF solution to give a buffer solution having a pH of 3.40? [pKa(HF) = 3.15]
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question- what mass of sodium fluoride mm 420 gmol must be added to 500 ml of a 020 m hf solution to give a buffer
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