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The formula weight of Mg(NO3)2 is 210.34 grams. Formula weight is the sum of all of the atomic weights of the atoms that appear in a chemical formula. To find the formula weight of Mg(NO3)2, one adds the atomic weight of one Magnesium ion, 24.31 grams, to the mass of two NO3 ions, 124.04 grams.

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››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.

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First break the compound up into the elements and multiply each element by its subscript in the formula; 1Mg. 2N. 6O *remember that the 2 outside of the parenthesis will multiply the subscripts inside the parenethesis only not the Mg

www.answers.com/Q/What_is_the_formula_weight_of_Mg-NO3-2

Formula weight refers to the total of all atomic weights in the specific formula. Formula weight is used for ions rather than molecules. Molecular weight refers to the total of all atomic weights ...

www.answers.com/Q/What_is_the_formula_weight_of_magnesium_nitrate

First find the formula, which is Mg(NO3)2. Next, find the masses of each element and add them up. These numbers are found to the right of the atomic number on the periodic table of elements. Mg is ...

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Formula Weight: The formula weight of a compound is the total weight each element contributes to the compound. The atomic weights or molar masses of each element are located on the periodic table. The name of Mg(NO3)2 is magnesium nitrate. Utilizing the synthetic formula of the compound and the occasional table of components, we can include the ...

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Magnesium Nitrate Mg(NO3)2 Molar Mass, Molecular Weight

www.webqc.org/molecular-weight-of-Mg(NO3)2*6H2O.html

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

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Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. 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)