Final answer:
The molar mass of NaCl is 58.44 g/mol, which is the sum of the atomic masses of sodium (22.99 amu) and chlorine (35.45 amu). It represents the mass in grams of one mole of NaCl.
Step-by-step explanation:
The mass of a mole of NaCl, or sodium chloride, is known as the molar mass. To calculate the molar mass of NaCl, we sum the atomic masses of sodium (Na) and chlorine (Cl). The atomic masses, usually found on the periodic table, are approximately Na: 22.99 amu and Cl: 35.45 amu. When added together, they equal 58.44 amu, which is the formula mass of NaCl. Given that 1 amu is equivalent to 1 g/mol, the molar mass of NaCl is 58.44 g/mol. This value represents the mass in grams of one mole of NaCl.
The relationship between moles (n), mass in grams (m) and molar mass (M) can be defined by the equation: m = n × M. This relationship is crucial in chemistry for converting between moles of a substance and its mass in grams.