Question

What is the molar mass of magnesium chloride, MgCl2?

Answer 1

95.3g/mole

Explanation:

To find the molar mass of substance, we sum the atomic masses of the number of atoms present.

The molar mass of  a compound is grams per mole mass of the atoms it contains.

For MgCl₂;

 Atomic mass of Mg = 24.3g/mol

                            Cl = 35.5g/mol

Molar mass = 24.3 + 2(35.5) = 95.3g/mole

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