After burning 8 g of a metal (M), 11.2 grams of its oxide (MO) was formed. Identify the metal (M) in the form of chemical symbol and determine the volume of oxygen in liters (round to two decimal place; STP: 273 K, 101,3 kPa) required for the reaction. Symbol of the metal: Volume of oxygen, L:
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the metal is magnesium.
Explanation:
the metal is mg because it burns in way that it releases a certain amount of its oxide. see the equivasion - Mg + O2 = MgO
Balanced - 2Mg + O2 = 2MgO.
so 8 grams of Mg is burnt in presence of 3.2 grams of O2 so my answer is correct.
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