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Mg is the symbol for the element magnesium and could be used to represent a neutral atom of magnesium. Mg2- does not occur, but Mg2+ does, and is the symbol of a magnesium ion, which is a magnesium atom that has lost two electrons.

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Calculate the standard emf of a cell that uses the Mg Mg2 plus and Cu Cu2 plus half cell reactions at 25 degrees C?

Cu + Mg2 --------> Cu2 + Mg Cu --------------> Cu2 + 2e Mg2 + 2e --------> Mg Cu --------------> Cu2 + 2e (E = +0.35) Mg2 + 2e --------> Mg (E = -2.36V) +0.35 + (-2.36) = -2.01V --------------------------------------… Mg + Cu2 --------> Mg2 + Cu Mg --------------> Mg2 + 2e Cu2 + 2e --------> Cu Mg --------------> Mg2 + 2e (E = +2.36V) Cu2 + 2e --------> Mg (E = -0.35V) +2.36 + (-0.35) = +2.01V


What is the difference between mg and mlg?

what is the difference between mg and mgl


What is the difference between 2.5 mg and 5 mg?

The difference is 2.5 mg


What is the product of Mg and hydronium ion?

2H3O+ + Mg → Mg2+ +H2 + 2H2O


What are the half-reactions for a galvanic cell with Zn and Mg electrodes?

Ni2+(aq) + 2e- Ni(s) and Mg(s) Mg2+(aq) + 2e-


What is the formula of the common ion derived from Mg?

Mg2+


What kind of bond is Mg and Cl?

Ionic- the difference in electronegativity is high (Mg 1.31, Cl 3.16)


What ions are produced when MgOH2 dissolves in water?

Mg(OH)2,solid --- in water---> Mg2+aq + 2 OH-aq


What is net ionic equation for hydrochloric acid and magnesium?

The net ionic equation for the reaction between hydrochloric acid (HCl) and magnesium (Mg) is: 2H⁺ + Mg(s) -> Mg²⁺ + H₂(g)


What is the ionic charge on Mg2?

The ionic charge on "Mg2", presumably meaning the cation whose formula is Mg+2, is +2. In the unlikely event that "Mg2" means a diatomic molecule of elemental magnesium, the ionic charge would be 0,


What type of bond is formed Mg and Mg?

Ionic bond: Mg2+ + 2 F- --> MgF2


What is the Lewis structure for the atom Mg plus Br?

Mg2+