Question

0.75 gm sample containing both NaCl and NaBr is titrated with 0.1043 M AgNO3

, using 42.23 ml. A second

sample of the same weight is treated with excess silver nitrate and the mixture of AgCl and AgBr is filtered,

dried and found to weigh 0.8042 gm. Calculate the percentages of NaCl and NaBr in the sample.

Answer 1

47% of Nacl

53% of Nabr

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