A) Tính nồng độ % của dd khi cho 20g KCl tan trong 600g dd b)Tính nồng độ mol của dd khi cho 160g dd CuSO4 tan trong 2 lít dd
c)Tính nồng độ phần trăm của dd thu được khi hòa tan hoàn toàn 12,4g Na2O trong 187,6g nước

A1 a 2 a 3 ooh lol i think that's it

The mole ratio of hydrogen to ammonia is 3: 2.

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.

Tell me the answer choices and i would be able to answer. : )