If 2500 cm3 of 01000m nacl is mixed with 2500 cm3 of 01000m

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Reference no: EM13384275

Quantitative analysis of Cl- ion is often performed by a titration with silver nitrate, using sodium chromate as an indicator. As standardization AgNO3 is added, both white AgCl and red Ag2CrO4 redissolves as the mixture is stirred. When the red color is permanent, the equivalence point has been reached.

A) calculate the equilibrium constant for this reaction:

2AgCl(s)+Cr04 2-(aq) <----> Ag2CrO4(s)+2Cl-

B) explain why silver chromate redissolves

C) if 25.00 cm3 of 0.1000M NaCl is mixed with 25.00 cm3 of 0.1000M AgNO3, what is the concentration of Ag+ remaining in solution? Is this sufficient to precipitate any silver chromate?

Reference no: EM13384275

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