Molar Mass of MgCl2
How to work out the molar mass of MgCl2
- Count the atoms of each element in MgCl2: 1 Mg and 2 Cl.
- Multiply each count by the element's atomic weight: 1 × 24.305 = 24.305; 2 × 35.45 = 70.900.
- Add the results: 24.305 + 70.900 = 95.205 g/mol.
Frequently asked questions
What is the molar mass of MgCl2?
The molar mass of magnesium chloride (MgCl2) is 95.205 g/mol, so one mole of it weighs 95.205 grams.
How many moles are in 100 grams of MgCl2?
100 g ÷ 95.205 g/mol = 1.050 mol.
Which element makes up most of the mass of MgCl2?
Cl, at 74.47% of the mass.
Common compounds
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