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A student dissolved 0.13 g of a sample containing an unkinown amount of cholride ion in 50 mL of water. She then added 6 drops of Na2CrO4 and titrated the solution using a 0.049 M solution of silver nitrate. She obtained the following data. Initial buret reading = 0.02 mL Final buret reading = 21.46 mL a. What volune of tirant (silver nitrate, AgNo3) was used? b. How many moles of silver were added to the solution? c. How many moles of chloride were present in the unknown? d. What mass of cholride was present in the unknown? e. What was the mass percentage of cholride present int the original sample?

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Category:- Chemistry
Reference No.:- M9901699

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