I’m confused if this is right answers? What happens to Ammonium sulfate PART 4 A

Question

I’m confused if this is right answers? What happens to Ammonium sulfate PART 4 A sample consists of one or more of the following salts: Cu(CH3CO2)2 (acetate), BaCl2, (NH4)2S04, SrCO3, KNO3. The sample, when treated with water, gives a white precipitate that is filtered off and a blue solution. The precipitate is a white solid that is completely insoluble, both in water and in 6M HCI solution. Which compounds MUST be present? CU/CH Cohan)+HCH CO Explain why. Cuo(s) + Copper acetate has the be present as the copper (II) is what gives the solution its blue colour. Write the formulae and present your evidence Which compounds MUST be absent? Explain why SrCO3(aq) + H2O(aa) so,(s) + H2O() + CO2(g) SrO2(s) + HCI(aa) SrCl2(aq) + H2O(aq) Strontium carbonate would not be present as the white precipitate created would dissolve when reacted with HCI Write the formulae and present your evidence. INDETERMINATE unable to KNOj + H20KNO H20 determine if present or absent. The potassium nitrate is indeterminate as potassium nitrate is strong electrolytic salt as it is made from a strong acid and a strong base. So therefore when it is mixed with water it completely dissolves but does not react with it and just becomes a potassium nitrate Write the formulae.

Explanation / Answer

Ammonium Sulphate is extremely soluble in water due to its ionic nature, therefore the ammonium sulphate in this salt comes out water as waste water.

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