The K s p for the following dissociation is 1.6 × 1 0 - 5 P b C l 2 ( s ) ⇌ P b ( a q ) 2 + + 2 C l ( a q ) - Which of the following choices is correct for a mixture of 300 mL 0.134 M P b ( N O 3 ) 2 and 100 mL 0.4M NaCl?

Question

The K s p for the following dissociation is 1.6 × 1 0 - 5 P b C l 2 ( s ) ⇌ P b ( a q ) 2 + + 2 C l ( a q ) - Which of the following choices is correct for a mixture of 300 mL 0.134 M P b ( N O 3 ) 2 and 100 mL 0.4M NaCl?, Q K s p, Q > K s p, Q = K s p, Not enough data provided

MARKS App · Accepted Answer

Q = Pb 2 + Cl − 2 = 300 × 0.134 400 100 × 0.4 400 2 = 3 × 0.134 4 ( 0.1 ) 2 Q = 1.005 × 1 0 - 3 Hence, Q > K s p

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