A piece of magnesium weighing 48 grams is burned in air n 80 gram of magnesium oxide is formed. what mass of oxygen combined with the magnesium is in the reaction?
looks like 32 g of O2, no?
What mass of oxygen combined with the magnesium in this reaction
To determine the mass of oxygen combined with the magnesium, we can use the law of conservation of mass. According to this law, the total mass of the reactants must be equal to the total mass of the products in a chemical reaction.
Given:
Mass of magnesium (Mg) = 48 grams
Mass of magnesium oxide (MgO) = 80 grams
To find the mass of oxygen, we need to calculate the mass difference between the magnesium oxide and the magnesium.
Mass of oxygen = Mass of magnesium oxide - Mass of magnesium
Mass of oxygen = 80 g - 48 g
Mass of oxygen = 32 grams
Therefore, the mass of oxygen combined with the magnesium in the reaction is 32 grams.
To find the mass of oxygen that combined with the magnesium in the reaction, we need to determine the change in mass. This can be done by subtracting the initial mass of magnesium from the final mass of magnesium oxide.
Initial mass of magnesium = 48 grams
Final mass of magnesium oxide = 80 grams
Change in mass = Final mass - Initial mass
= 80 grams - 48 grams
= 32 grams
Therefore, 32 grams of oxygen combined with the magnesium in the reaction.