A sample of gas has a volume of 0.600 L at a temperature of 30.oC and a pressure of 0.800 atm. What is the number of moles in this sample

0.00019 moles

Explanation:

Use the Ideal Gas Law formula: PV=nRT

Remember:

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = molar gas constant (8.314 J*mol/K)

T = Temperature (K)

1. First rearrange the formula so that it would be easier to find the number of moles.

  n=

2. Convert the Temperature from Celcius to Kelvin (remember the temperature is always used in Kelvin for the formula).

  30° C + 273 K = 303 K

3. Now substitude your values

  n=

4. Find your value

  n=0.0019 mol

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