Yehh3431 Yehh3431

10-01-2018
Chemistry

contestada

What is the percent composition of magnesium (mg) in mgo?

Respuesta :

iuliaelisa15 iuliaelisa15

10-01-2018

MgO-magnesium oxide
M₁₂=40 g/mole magnesium oxide
M₁=24 g/mole magnesium
M₂=16 g/mole oxygen
↓
in 40 g MgO...........24 g Mg......16 G
in 100 g MgO...........x g Mg
↓
x=100·24/40
x=60 % Mg from MgO

Answer Link

bridgetadeleye123 bridgetadeleye123

19-01-2021

Answer:

60%.

Explanation:

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