how much of oxygen reacts with 240 grams of magnesium? atomic mass of magnesium is 24U you and oxygen is 16U
Answers
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Explanation:
Given:
Mass of Magnesium = 240 gm
The atomic mass of mg = 24 gm
The atomic mass of oxygen = 16 gm
To Find:
Mass of oxygen that reacts with 240 gm Magnesium.
Calculation:
The reaction of Magnesium with oxygen takes place as:
Mg + 1/2 O2 → MgO
⇒ The mass of oxygen required to react with 24 gm Magnesium = 16 gm
⇒ The mass of oxygen required to react with 240 gm Magnesium = (16/24) × 240
⇒ Mass of oxygen = 160 gm
- Hence, 160 gm of oxygen reacts completely with 240 gm Magnesium.