What is Chlorine Gas’s Molar Mass? – Chlorine gas has a molar mass of 70.90 g/mol. Cl2 is the chemical formula for one molecule of chlorine gas, which is made up of two chlorine atoms.
According to the Periodic Table of Elements, one chlorine atom has a molar mass of 35.45g/mol. Simply sum the molar masses of the two chlorine elements or multiply the atomic mass by two to get the molar mass of one chlorine molecule.
As a result, the molar mass of chlorine gas is 35.45g/mol x 2 = 70.90g/mol. Chlorine is a gas in its natural state, but it can be cooled and transformed into a liquid for storage and transit. It returns to its natural gas condition after being liberated.
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