dadas las moléculas de nh3 y h2o a) represente su diagrama de lewis b) razone si alguna de las moléculas anteriores forma enlaces de hidrógeno

The usual way of converting black oxide to red oxide involves treating the black oxide with sulphuric acid and then roasting the intermediate product thus formed. lt is known that the amount of acid can be considerably less than the stoichiometric amount needed to convert all the black oxide to a sulphate.