Calculate x in the formula FeSO₄·xH₂O from the following data: 12.18 g of iron (II)…
CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance
Problem
Calculate x in the formula FeSO₄·xH₂O from the following data: 12.18 g of iron (II) sulphate crystals were made up to 500 cm³ acidified with sulphuric acid. 25.0 cm³ of this solution required 43.85 cm³ of 0.01 mol dm⁻³ KMnO₄ for complete oxidation.