what is the percent of chloride ion in a sample if 1.1324g of the sample produces 1.0881 of AgCl when treated with exess Ag+?​

Which statement is best described as a atom

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

Is this correct if not can u correct me