Dan khi hidro di qua ong dung 9,6 gam bot dong õit nung nong
a) tinh khoi luong dong thu duoc (7,68g)
b) tinh the tich khi hidro can dung (o dktc) (2,688 l)
c) neu dot chay toan bo luong san pham tren thi the tich khong khi can dung la bao nhieu ?(6,72 l)