A 25cm aliquot of ammonium iron 2 tetraoxomanganate 7 containing 39.2g of its salt in 250cm solution, needed 25cm of potassium tetraoxomanganate 7 solution for a colour change to occur. What is the concentration of the potassium tetraoxomanganate 7 solution?
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Do you have a formla for this material; i.e., ammonium iron 2 tetraoxomanganate 7? Do you have an equation for the readction with KMnO4.
i need the answer
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