¿Cuántas mol de agua se forman a partir de 300 gramos de MnO2?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

How many moles of ccl4 are in 3.55l

How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers