What is the formula mass of mg no3 2

Molar mass of Mg(NO3)2 = 148.3148 g/mol

This compound is also known as Magnesium Nitrate.

Convert grams Mg(NO3)2 to moles  or  moles Mg(NO3)2 to grams

Molecular weight calculation:
24.305 + (14.0067 + 15.9994*3)*2

›› Percent composition by element

Element	Symbol	Atomic Mass	# of Atoms	Mass Percent
Magnesium	Mg	24.3050	1	16.387%
Nitrogen	N	14.0067	2	18.888%
Oxygen	O	15.9994	6	64.725%

›› Similar chemical formulas

Note that all formulas are case-sensitive. Did you mean to find the molecular weight of one of these similar formulas?
Mg(NO3)2
Mg(No3)2

›› More information on molar mass and molecular weight

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.

If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. These relative weights computed from the chemical equation are sometimes called equation weights.

Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula.

A common request on this site is to convert grams to moles. To complete this calculation, you have to know what substance you are trying to convert. The reason is that the molar mass of the substance affects the conversion. This site explains how to find molar mass.

Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.

The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. We use the most common isotopes. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass.

Deanna R.

asked • 04/15/20

The molar mass of a compound is the sum of the molar masses of each atom in the compound. Find the molar mass of the compound Mg(NO3)2, given the following information. Round your answer appropriately.

Element	Molar mass (g/mol)
Magnesium	24.305
Nitrogen	14.007
Oxygen	15.999

Molar mass =

______ g/mol

1 Expert Answer

Printed from //www.webqc.org

Molar mass of Mg(NO3)2 is 148.3148 g/mol Convert between Mg(NO3)2 weight and moles Elemental composition of Mg(NO3)2 ElementSymbolAtomic weightAtomsMass percent Magnesium Mg 24.3050 1 16.3874 Nitrogen N 14.0067 2 18.8878 Oxygen O 15.9994 6 64.7248 Mass percent compositionAtomic percent composition Sample reactions for Mg(NO3)2 Formula in Hill system is MgN2O6

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, Dmg parantesis () or brackets []. Common compound names. Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose. 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. 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. 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 acids

molecular weights calculated today

Please let us know how we can improve this web app.

In order to continue enjoying our site, we ask that you confirm your identity as a human. Thank you very much for your cooperation.