What is an everyday object that uses barium

Barium is sometimes used in fireworks. This is one element that can give them a green color. It is also used in medicines, or as a way to add contrast to an x-ray.

Ithinks its false. tell me if im wrong

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 !