Which state is correct? What is the strongest acid? What is the oxidation number

Question

Which state is correct? What is the strongest acid? What is the oxidation number of Mo in MoO_4^2? What is the solubility product expression for Ag_3PO_4? Which pair forms a buffer solution? For the reaction H_2(g) + I_2(g) 2HI(g), K_c = 50.2 at 445 degree C. If [H_2] = [I_2] = [HI] = 1.75 Times 10^-3 M at 445 degree C, which one of these statement is true? What is the pH of an aqueous solution that contains 5.3 Times 10^17 OH^- ions per liter of solution? The molar solubility of tin(II) iodide is 1.28 Times 10^-2 mol/L. What is K_sp for this compound?

Explanation / Answer

1) b

2)c

3) b

4) d

5) b

6) a

7) i think there is a mistake in this question

8) d

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