Question

Equivalent weight of HI is

Answer 1

The equivalent weight of HI is 127.9124 g/mol which is approximate ~ 128 g/mol.

What is hydrogen iodide?

• Hydrogen iodide is a hydrogen halide as it contains a halogen atom.
• It is a very strong acid and when dissolved in water its aqueous solution is called hydriodic acid.
• The equivalent weight of hydrogen iodide is calculated as below.
• Equivalent weight = 1/1 + 127/1 = 128 g/mol
• The molecule of hydrogen iodide is neutral and has equivalent charges.
• The charge on a hydrogen atom is +1 and on a halogen atom is -1.
• Thus making it a neutral molecule.

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