500 ml of 0.01 M AgNO 3 is mixed with 250 ml each of NaBr and NaCl , each having molarity 0.02 M each. Find equilibrium concentration of Br − (in the order 1 0 − 5 M ). Given: K s p ( A g B r ) =

Question

500 ml of 0.01 M AgNO 3 ​ is mixed with 250 ml each of NaBr and NaCl , each having molarity 0.02 M each. Find equilibrium concentration of Br − (in the order 1 0 − 5 M ). Given: K s p ​ ( A g B r ) = 5 × 1 0 − 13 ; K s p ​ ( A g Cl ) = 1 0 − 10 .

TestHub · Accepted Answer

V A g N O 3 ​ ​ = 0.5 L , [ A g + ] = 0.01 M V N a B r ​ = 0.25 L , [ B r − ] = 0.02 M V N a Cl ​ = 0.25 L , [ C l − ] = 0.02 M K s p ​ ( A g B r ) = 5 × 1 0 − 13 , K s p ​ ( A g Cl ) = 1 × 1 0 − 10 [ B r − ] ≈ [ A g + ] K s p ​ ( A g B r ) ​ ≈ 2.45 × 1 0 − 5 M

Chemistry - Ionic Equilibrium Question with Solution | TestHub

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