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In: Chemistry

A) How many grams of solid sodium fluoride should be added to 1.00 L of a...

A) How many grams of solid sodium fluoride should be added to 1.00 L of a 0.218 M hydrofluoric acid solution to prepare a buffer with a pH of 3.847 ?

grams sodium fluoride =  g.

B)How many grams of solid sodium hypochlorite should be added to 0.500 L of a 0.297 M hypochlorous acid solution to prepare a buffer with a pH of6.803 ?

grams sodium hypochlorite =  g.

C)How many grams of solid ammonium chloride should be added to 1.50 L of a 0.152 M ammonia solution to prepare a buffer with a pH of 8.330 ?  

grams ammonium chloride =  g.

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