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What element has a mass of 32.8g and occupies 5.6L at STP?

User Mamatv
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1 Answer

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At Standard Temperature and Pressure (STP), all gases have a volume of 22.4L/mol.

First, let's find the mole of the gas:
5.6L* (1mol/ 22.4L)= 0.25mol

Now, let's find the molar mass of the gas:
32.8g/ 0.25 mol= 131.2g/mol

Looking at the periodic table, the element is Xe.

Hope this would help~


User Marc Schmid
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