2
Question
Magnesium and oxygen combine in the ratio of 3 : 2 by mass to form magnesium oxide. What mass of oxygen gas would be required to react completely with 24 g of magnesium ?
Open in App
Solution
Magnesium + oxygen ------------> Magnesium oxide
2Mg + O2 -----------------------> 2MgO
We have been given that Mg reacts with Oxygen in the fixed ratio of 3 : 2by mass.
3g of Mg requires = 2g of oxygen
So, 24g of Mg requires = 
= 16g
So, 24g of Mg requires, 16g of oxygen to combine.
Magnesium + oxygen ------------> Magnesium oxide
2Mg + O2 -----------------------> 2MgO
We have been given that Mg reacts with Oxygen in the fixed ratio of 3 : 2by mass.
3g of Mg requires = 2g of oxygen
So, 24g of Mg requires =
= 16g
So, 24g of Mg requires, 16g of oxygen to combine.
Suggest Corrections
68
Similar questions
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
