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lmonicF2ollberg3ey lmonicF2ollberg3ey
  • 28-12-2015
  • Chemistry
Answered

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

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 29-12-2015

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~


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