Molar mass of talc (Mg3Si4O10(OH)2)

The molar mass of talc (Mg3Si4O10(OH)2) is 379.259 g/mol.

talcum

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Magnesium	× 3	24.305	= 72.915
Silicon	× 4	28.085	= 112.34
Oxygen	× 12	15.999	= 191.988
Hydrogen	× 2	1.008	= 2.016
Total			379.259 g/mol

Percent composition by element

Magnesium 19.23%
Silicon 29.62%
Oxygen 50.62%
Hydrogen 0.53%

Try another formula

H₂O NaCl CO₂ C₆H₁₂O₆ H₂SO₄ Ca(OH)₂ CuSO₄·5H₂O C₈H₁₀N₄O₂

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Related compounds

Mg(OH)₂ Magnesium hydroxide MgSO₄·7H₂O Magnesium sulfate heptahydrate MgCl₂·6H₂O Magnesium chloride hexahydrate MgNH₄PO₄·6H₂O Struvite Al₂Si₂O₅(OH)₄ Kaolinite C₅₅H₇₂MgN₄O₅ Chlorophyll a

FAQ

What is the molar mass of Mg3Si4O10(OH)2?

The molar mass of talc (Mg3Si4O10(OH)2) is 379.259 g/mol.

How do you calculate the molar mass of Mg3Si4O10(OH)2?

Multiply the atomic mass of each element by the number of its atoms in Mg3Si4O10(OH)2, then add the results: 3 × 24.305 (Mg) + 4 × 28.085 (Si) + 12 × 15.999 (O) + 2 × 1.008 (H) = 379.259 g/mol.

What percentage of Mg3Si4O10(OH)2 is Oxygen?

Oxygen makes up 50.62% of the mass of talc (Mg3Si4O10(OH)2).