46. Solution to Chemistry Problem
Seller: Derkach
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- When a mixture of iron with iron (II) and (III) oxides weighing 4 g was reduced with hydrogen, 0.846 g of water was formed. When a mixture weighing 4 g was treated with dilute sulfuric acid, 448 ml of hydrogen (N.C.) was released. Determine the mass fraction of the mixture.
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