Not necessarily or even usually. The term "one molar" refers to the concentration of the acid added and does not have anything to do with the concentration of ferrous ions.
an iron salt of sulfuric acid
H2SO4 (30%-40%) added slowly to steel wool. The pH of the solution should be acidic at any given time, otherwise the ferrous ions will oxidize to the ferric state. The sulfuric acid will begin to dissolve the steel, producing hydrogen gaz.
sulfuric acid. Dilute sulfuric acid will react with both lead and ferrous nitrate when dissolved in water producing-: nitric acid, ferrous and lead sulfate. Ferrous sulfate is very soluble in water and lead sulfate is only slightly soluble and so the lead sulfate should pretty much precipitate out of the solution. This method will not completely separate the lead from the iron; however, Its a start. And also you can keep boiling down the solution of the 2 salts until pretty much most of the lead sulfate is separated from the iron sulfate. But if it were me , because of the poisonous nature of lead compounds, I would not want to use this as a source of iron.
what is the answer
Iron is displaced from ferrous sulphate solution by aluminium, being very reactive. So, the can gets damaged due to this.
faded green in colour
baking soda
The aqueous solution of ferrous sulfate, FeSO4, is light green on heating. It changes to yellow then brown due to formation of ferric sulfate.
Yes, but not table salt (NaCl). The term 'salt' is used for the product of the reaction of an acid and a metal. Therefore. iron (ferrous) has been attacked by sulfuric acid (sulfate).
you can make ferrous sulphate by reacting iron scrap with dilute sulphuric acid , and then filtering and crystallisation of solution.
Add ferrous chloride solid to saturated aqueous solution of oxalic acid then to expel the HCl gas then saturated solution is allow to cool the crystals of ferrous oxalate settled down with in few minutes remove the excess liquid and get the dry compound.
i think 6 month becoz the ferrous ion stability is also 6 month navin