Question

Consider these compounds:

A. PbCrO₄

B. PbS

C. CaF₂

D. Co(OH)₂

Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.)

Without doing any calculations it is possible to determine that silver iodide is more soluble than ,_______ and silver iodide is less soluble than ________ .

It is not possible to determine whether silver iodide is more or less soluble than________ by simply comparing K_sp values.

Answer 1

Ksp values can be found at

https://sites.google.com/site/chempendix/Ksp

Compound ---------------- Ksp

PbCrO₄ ---------------------- 3×10^–13

PbS --------------------------- 8.9×10^–29

CaF₂ ------------------------ 3.45×10^–11

Co(OH)₂ ---------------------- 5.92×10^–15

silver iodide ------------- 8.52×10^–17

Without doing any calculations it is possible to determine that silver iodide is more soluble than ,___B____ and silver iodide is less soluble than ___ACD____.

It is not possible to determine whether silver iodide is more or less soluble than___D_____ by simply comparing K_sp values.

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