Answer to Question #304356 in Organic Chemistry for Tcvg

Question #304356

have about 10g of iron(ii) ammonium...

Question: We have about 10g of Iron(II) ammonium sulphate crystals. We mix these and make a 20cm3 acidified...

We have about 10g of Iron(II) ammonium sulphate crystals. We mix these and make a

20cm3 acidified solution of this. Approximately 21.25cm3 of potassium dichromate(VI)

(0.02 mol dm-3) is needed for oxidation of 25cm3 of the solution made.

Given the formula of crystal as 𝐹𝑒􀯔􁈺􀜰𝐻4􁈻􀯕􁈺𝑆􀜱4􁈻􀯖. 𝑥𝐻2􀜱

The value of a+b+c+x is?

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