Question

If I contain 1.86g of krypton gas in a container with a volume of 17.5 liters and at a temperature of 190F, what is the pressure inside the container?

Answer 1

P = 0.0373 atm

Step-by-step explanation:

Given data:

Mass of krypton = 1.86 g

Volume of krypton = 17.5 L

Temperature of krypton = 190 F

Pressure of krypton = ?

Solution:

First of all we will calculate the number of moles.

Number of moles = mass/ molar mass

Number of moles = 1.86 g/ 83.9 g/mol

Number of moles = 0.022 mol

Formula:

PV = nRT

P = nRT / V

P = 0.022 mol × 0.0821 atm. L. mol⁻¹. K⁻¹ × 360.928 K / 17.5 L

P = 0.652 atm. L /17.5 L

P = 0.0373 atm