Answer :

Final answer:

The molar mass of HCl is calculated by adding the atomic mass of hydrogen (1u) and chlorine (35.5u), resulting in a molar mass of 36.5 grams per mole.

Explanation:

To calculate the molar mass of HCl (hydrochloric acid), you need to add the atomic masses of its constituent elements, hydrogen (H) and chlorine (Cl).

- The atomic mass of hydrogen (H) is approximately 1 atomic mass unit (u).

- The atomic mass of chlorine (Cl) is approximately 35.5 atomic mass units (u).

Now, add these atomic masses together to find the molar mass of HCl:

Molar mass of HCl = Atomic mass of H + Atomic mass of Cl

Molar mass of HCl = 1 u + 35.5 u

Molar mass of HCl = 36.5 u

So, the molar mass of HCl is approximately 36.5 grams per mole (g/mol).

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