Chemistry, 25.02.2020 03:04 tonimgreen17p6vqjq

A student burned 0.250 g of magnesium metal in an open crucible. Oxygen from the air combined with the metal forming magnesium oxide. If 0.421 g of magnesium oxide were produced, what mass of oxygen combined with the metal? 1. 0.171 g 2. 0.671 g 3. 1.684 g 4. 0.594 g

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A student burned 0.250 g of magnesium metal in an open crucible. Oxygen from the air combined with t...