Refer to the following table of Ksp values to answer the question below. Compound A solution has 0.01 M Pb2+, 0.01 M Sn2+, 0.01 M Zn2+, and 0.01 M Hg2+. As tiny amounts of sulfide ion are slowly added to the solution, which compound will precipitate first?

A. Pbs
B. Fes
C. Hgs
D. Sns​

explanation: no but i do not usually comment

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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