neesamilanich123 neesamilanich123
  • 23-02-2020
  • Chemistry
contestada

the correct formula for magnesium nitrate?
Question 12 options:

MgNO3

Mg2NO3

Mg(NO3)2

Mg2(NO3)2

Respuesta :

andyochoa andyochoa
  • 23-02-2020
Mg(NO3)2

Mg is +2 in oxidation while NO3 is -1, so you require two NO3 to have a neutral charge: 0
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jcousineau jcousineau
  • 23-02-2020

Answer:

Mg(NO3)2

Explanation:

Look at the charges of the cation and anion. Mg has a +2 charge while NO3 has a -1 charge. You’ll need 2 NO3 molecules to cancel the charge of Mg for a neutral compound. This is how they should be balanced unless they give a total charge in the question.

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