Which statement about iron(III) sulfate is not correct?
It reacts with Ba(NO3)2(aq)\text{Ba(NO}_3)_2\text{(aq)}Ba(NO3)2(aq) to form a white precipitate.
It has the chemical formula Fe3(SO4)2\text{Fe}_3(\text{SO}_4)_2Fe3(SO4)2.
It reacts with NaOH(aq)\text{NaOH(aq)}NaOH(aq) to form a red-brown precipitate.
It can be prepared by reacting solid iron(III) oxide with dilute sulfuric acid.