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  1. Sodium Sulfide molecular weight. Molar mass of Na2S = 78.04454 g/mol. Convert grams Sodium Sulfide to moles. or. moles Sodium Sulfide to grams. Molecular weight calculation: 22.989770*2 + 32.065

  2. Molar Mass, Molecular Weight and Elemental Composition Calculator Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of Na 2 S (Sodium sulfide) is 78.0445 g/mol

  3. There are 4 easy steps to find the molar mass of Na2*S based on its chemical formula. 1. Count The Number of Each Atom. The first step to finding the molar mass of Sodium Sulfide is to count the number of each atom present in a single molecule using the chemical formula, Na2*S: Element. Number of Atoms.

  4. Do a quick conversion: 1 grams Sodium Sulfide = 0.012813196156964 mole using the molecular weight calculator and the molar mass of Na2S.

  5. The mass (in grams) of a compound is equal to its molarity (in moles) multiply its molar mass: grams = mole × molar mass. E.g. Molar mass of NaCl is 58.443, how many grams is 5 mole NaCl? grams = 58.443 × 5 = 292.215 (g)

  6. Molar mass of Na 2 S, Sodium Sulfide is 78.04454 g/mol. 22.98977·2+32.065. Mass percentage of the elements in the composition. Notes on using the Molar Mass Calculator. Chemical formulas are case-sensitive. Enter subscripts as simple numbers.

  7. The molar mass of Na2S (Sodium sulfide) is: 78.038 grams/mol. See also our theoretical yield calculator for chemical reactions (probably your next stop to finish the problem set).

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