After 0.69 g of CoCl2⋅6H2O is heated, the residue has a mass of 0.333 g . Calculate the % H2O in the hydrate.
2 answers
and .....hat was the actual number of moles of water per formula unit CoCl2
[(0.69 g-0.333g)/0.69g]×100=????
2 sig figs
2 sig figs
2 answers