The saturation concentration of Cobalt(II) chloride is: Your

5.960 mol/L

5.640 mol/L

4.330 mol/L

Since there is the same amount of agn03 in both silver chloride and silver nitrate they produce the same amount of moles. therefore silver chloride produces the same amount of silver nitrate, so your answer is 15.0 moles of silver nitrate. i hope this !

The answer for this is a

They cool it down and aluminum cools easily