In mass-volume and volume-mass calculations, all gases are considered to be at standard

and pressure, also
referred to as
___

temperature, stp
:P

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 !