The Ideal Gas Law Video Lessons

Concept: Boyle's Law

# Problem: A sample of 3.10 g of SO2 (g) originally in a 5.20-L vessel at 26 oC is transferred to a 12.0-L vessel at 25 oC. A sample of 2.40 g N2 (g) originally in a 2.60-L vessel at 20 oC is transferred to this same 12.0-L vessel.What is the partial pressure of SO2 (g) in the larger container?

###### FREE Expert Solution

We’re being asked to calculate the partial pressure of SO2 in a 12.0 L flask at 25 °C.

We will use ideal gas equation to calculate for the pressure:

$\overline{){\mathbf{PV}}{\mathbf{=}}{\mathbf{nRT}}}$

P = pressure, atm
V = volume, L
n = moles, mol
R = gas constant = 0.08206 (L·atm)/(mol·K)
T = temperature, K

But first, we have to calculate the amount of SO2 in moles.

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###### Problem Details

A sample of 3.10 g of SO2 (g) originally in a 5.20-L vessel at 26 oC is transferred to a 12.0-L vessel at 25 oC. A sample of 2.40 g N2 (g) originally in a 2.60-L vessel at 20 oC is transferred to this same 12.0-L vessel.

What is the partial pressure of SO2 (g) in the larger container?