Molar Mass of NaCl
NaCl is a chemical formula for table salt showing the elements that are combined to form the ionic compound. Table salt is composed of Na+ which represents sodium cations and Cl- which presents chloride anions (Hoffman and Mark 284). The molar mass of an ionic compound involves the mass of all atoms in a molecule in grams per mole. The molar mass of sodium chloride is a combination of sodium and chloride molar masses (Hoffman and Mark 284). The formula is as follows;
Molar mass of NaCl = Molar mass of NaCl + Molar mass Cl
The formula will be essential to find the atomic mass of the constituent atoms including chloride and sodium.
According to the periodic table, the molar masses of the respective components include
Na is 22.989770 g/mol while Cl is 35.453 g/mol (Bierenstiel and Kathy 58).
Therefore, the molar mass of sodium chloride will be; Molar mass of NaCl = Molar mass of NaCl + Molar mass Cl. The value of the molar mass of the individual cation and anions is calculated by multiplying the molar mass by the subscript of each element (Hoffman and Mark 285).
Sodium has one subscript (1 × 22.990 g/mol ) and chloride has one subscript (1 × 35.45 g/mol ) (Bierenstiel and Kathy 56).
Molar mass = 22.989770 g/mol + 35.453 g/mol = 58.44277 g/mol.
In simple terms, the molar mass of sodium chloride is rounded off to 58.44g/mol.
Bierenstiel, Matthias, and Kathy Snow. “Periodic Universe: A Teaching Model for Understanding the Periodic Table of the Elements.” Journal of Chemical Education (2019): 28-76
Hoffman, Adam, and Mark Hennessy. “The people periodic table: A framework for engaging introductory chemistry students.” Journal of Chemical Education 95.2 (2018): 281-285.