MgSO4
 Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of MgSO4 is 120.3676 g/mol Compound name is magnesium sulfateConvert between MgSO4 weight and molesCompoundMolesWeight, g
Elemental composition of MgSO4ElementSymbolAtomic weightAtomsMass percent
 Magnesium Mg 24.305 1 20.1923 Sulfur S 32.065 1 26.6392 Oxygen O 15.9994 4 53.1685
Mass percent compositionAtomic percent composition

Sample reactions for MgSO4
EquationReaction type
 MgSO4 + NaOH = Mg(OH)2 + Na2SO4 double replacement BaCl2 + MgSO4 = BaSO4 + MgCl2 double replacement MgSO4 + Na2CO3 = MgCO3 + Na2SO4 double replacement MgSO4 + Na3PO4 = Mg3(PO4)2 + Na2SO4 double replacement MgSO4 + NH4OH = Mg(OH)2 + (NH4)2SO4 double replacement
Formula in Hill system is MgO4S

Computing molar mass (molar weight)

To calculate molar mass of a chemical compound enter its formula and click "Compute". In chemical formula you may use:Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmgparantesis () or brackets <>.Common compound names.Examples of molar mass computations: NaCl, Ca(OH)2, K4,CuSO4*5H2O,water,nitric acid,potassium permanganate,ethanol,fructose.

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Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa.

Computing molecular weight (molecular mass)

To calculate molecular weight of a chemical compound enter it"s formula, specify its isotope mass number after each element in square brackets.Examples of molecular weight computations: C<14>O<16>2, S<34>O<16>2.

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Definitions of molecular mass, molecular weight, molar mass and molar weight

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.Weights of atoms and isotopes are from NIST article.Related: Molecular weights of amino acidsmolecular weights calculated today Please let us know how we can improve this web app.