The molar mass of KCl (potassium chloride) is 74.55 g/mol. This value is calculated by adding the atomic masses of its constituent elements: potassium (K) and chlorine (Cl). The atomic mass of potassium is approximately 39.10 g/mol, and the atomic mass of chlorine is approximately 35.45 g/mol. When these values are added together, the result is the molar mass of KCl, which is 74.55 g/mol. This measurement is essential in chemistry for various calculations, including determining the amount of a substance in moles or converting between mass and moles in chemical reactions.
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