Titrations question?

A 25.0 cm3 sample of chlorinated water requires 27.2 cm3 of 0.104 mol dm-3 silver nitrate solution to be used to precipitate all of the Cl- in the sample. Determine the [Cl-] in the water sample. What volume, in cm3, of 0.25 mol dm-3 sodium sulfate solution is required to precipitate all of the barium, as barium... show more A 25.0 cm3 sample of chlorinated water requires 27.2 cm3 of 0.104 mol dm-3 silver nitrate solution to be used to precipitate all of the Cl- in the sample. Determine the [Cl-] in the water sample.

What volume, in cm3, of 0.25 mol dm-3 sodium sulfate solution is required to precipitate all of the barium, as barium sulfate, from 12.5 cm3 of 0.15 mol dm-3 barium nitrate solution?

One test for lead (II) ions in water is to react them all with the chromate ion, forming lead(II) chromate, a bright yellow insoluble solid. How many grams of lead chromate can be formed from a 1.00 g sample of lead(II) nitrate added to 25.0 cm3 of 1.00 mol dm-3 potassium chromate solution?
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