Calculate the volume of water required to dissolve 0.1 g lead (II) chloride to get a saturated solution. (Ksp of PbCl2 = 3.2 × 10–8 , atomic mass of Pb = 207 u).
Calculate the volume of water required to dissolve 0.1 g lead (II) chloride to get a saturated solution. (Ksp of PbCl2 = 3.2 × 10–8 , atomic mass of Pb = 207 u).
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1 Answer
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This is a Short Answer Type Questions as classified in NCERT Exemplar
Ans:
Ksp=3.2 × 10-8
PbCl2? Pb2+ +2Cl-
Ksp= (S) (2S)2
Ksp=4S3
s3=43.2 × 10-8
s3=8 × 10-9
s=2 × 10-3
Molar mass of PbCl2=278g/mol
By using Molarity formula,
2 × 10-3= 278 × x0.1
x=
=
x=0.18L
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