All the iron in a 2.000 g tablet was dissolved in an
acidic solution and converted to Fe2+. This was then
titrated with KMnO4. The titration required 27.50
tm3 of 0.100 mol dm-3 KMnO4. Calculate the total
mass of iron in the tablet and its percentage by
mass. Describe what would be observed during the
reaction, and how the equivalence point can be
detected
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a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
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