AdnaL18575 AdnaL18575

25-10-2022
Chemistry

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A bottle contains 2.55L of gas at STP.How many moles of gas are present?mol

Respuesta :

DarrylS194368 DarrylS194368

25-10-2022

Explanation:

We are given: volume = 2.55L

At STP: Temperature = 273.15 K

: Pressure = 1 atm

: R = 0.08205 L.atm/mol.K

Using the ideal gas law:

[tex]\begin{gathered} PV\text{ = nRT} \\ \\ \therefore\text{ n = }\frac{PV}{RT}\text{ = }\frac{1\times2.55}{0.08205\times273.15}\text{ = 0.11 mol} \end{gathered}[/tex]

Answer:

n = 0.11 mol

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