michaelhudsoniii michaelhudsoniii

10-03-2018
Chemistry

contestada

What is the empirical formula of an unknown compound that contain 60.3% of magnesium and 39.7% of Oxygen?

Respuesta :

heyhi1234 heyhi1234

10-03-2018

The answer is MAGNESIUM OXIDE - MgO.

Good luck :)

Answer Link

sarajevo sarajevo

14-05-2019

Answer:

MgO

Explanation:

Mass of Mg = 60.3 g

Molar mass of Mg = 24.305 g/mol

Moles of Mg = 60.3 g/ 24.305 g/mol = 2.48 mol

Mass of O = 39.7g

Molar mass of O = 16 g/mol

Moles of O = 39.7g/ 16 g/mol = 2.48 mol

So the molar ration of Mg:O is 1:1

Therefore the empirical formula is MgO

Answer Link

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