Answered

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There are 122.6L of argon gas in a tank. How many moles is this?
A)
2.76mols
B)
3.25mols
09
1.56mols
D)
5.5mols

Sagot :

Ardni313idn

There are 5.5 moles of Argon gas in tank

Further explanation

Given

122.6 liters of Argon gas

Required

The number of moles

Solution

Assume at STP

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

So for 122.6 L :

= 122.6 L : 22.4 L

= 5.47 moles ≈ 5.5 moles

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