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Suppose the Reaction Pb(s)+ 2H+(aq) →\rarr Pb2+(aq)+ H2(g)is Carried Out at PH = 4

Question 21

Multiple Choice

Suppose the reaction Pb(s) + 2H+(aq) →\rarr Pb2+(aq) + H2(g) is carried out at pH = 4.00 and at a hydrogen gas pressure of 1.00 atm.The concentration of lead(II) ions that causes this reaction to be at equilibrium is


A) 2.5 M
B) 1.6 × 10-2 M
C) 2.5 × 10-4 M
D) 1.6 × 10-6 M
E) 0.40 M

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