Which gases can water be broken up into

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

How can one make a supersaturated solution? (apex)

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?