Question

How many moles of Mg ions are in MgI2?

A. 1 mole
B. 2 moles
C. 3 moles
D. 4 moles

Answer 1

In one mole of magnesium iodide (MgI2), there is one mole of magnesium ions (Mg2+), hence the correct answer is A. 1 mole.

The correct option is A.

Step-by-step explanation:

The question you're asking relates to the stoichiometry of the compound magnesium iodide (MgI2). In one formula unit of magnesium iodide, there is one magnesium ion (Mg2+).

This means that in one mole of MgI2, there is one mole of Mg2+ ions. Therefore, the correct answer to how many moles of Mg ions are in MgI2 is A. 1 mole.

The correct option is A.