Suppose that you wanted to be sure that a

Question

metal ion, any metal ion, would dissolve in
water.
What salt of the metal ion compound would
you choose?
1. the hydroxide (OH−) salt of the metal
ion
2. the carbonate (CO2−
3 ) salt of the metal
ion
3. the nitrate (NO−
3 ) salt of the metal ion
4. the chloride (Cl−) salt of the metal ion

Answer 1

Does your instructor know that you've posted 21 assignments here?

Are you sure?

Answer 2

solubility rules

Answer 3

the nitrate (NO3−) salt of the metal ion

All nitrates are soluble.