What factor accounts for the fact that powdered sugar dissolves more quickly than granulated sugar under the same conditions?

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 !

Solubility would be your answer.

The se-ci  bonds is more polar  than s-br bond