why should FeSO4 be acidified ?

2 answers

I don't know that it does. How is it being used. What are the circumstances? What's the experiment? How are you using FeSO4.
How much heat energy is needed to change 3g of
ice at 0C to steam at 100C(Specific latent heat of
fusion of ice=336kj/kg, specific latent of
vapourization of water=2260kj/kg, specific heat
capacity of water=4.2kj/kgk)?