Calculate the volume of concentrated ammonia and the weight of ammonium chloride you would have to take to prepare 175mL of a buffer at pH 8.5 if the final concentration of salt is to be 0.400 M.

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A: Density of the polymer = 1.33 g /mL.Mass of the cylinder of polymer = 42.865 g.

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A: Pure substance is made up of single compound and not a mixture .

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Q: Identify basic procedures for dealing with laboratory accidents.

A: Given: Basic procedures for dealing with laboratory accidents.