Which substance has more iron in FeO2 or FeO3?
| December 20, 2020 | education
Fe (OH) 2 – FeO; iron oxide (II)
Fe (OH) 3 – Fe2O3; iron oxide (III)
Cu (OH) 2 – CuO copper (II) oxide
The molar mass of iron is 56, and the masses of the presented substances are 88 and 104, respectively. W1 = 56/88 * 100 = 63.6% W2 = 56/104 * 100% = 53.8. Therefore, there is more iron in the first substance
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