A Mixture of Helium, Argon and Krypton Is Made and Stored

question 43

Multiple Choice

A mixture of helium, argon and krypton is made and stored in a cylinder at a total pressure of 2.80 atm. The partial pressure of helium is 900 torr, and that of argon is 250 torr. What is the partial pressure of krypton in the mixture?

• A)1.18 atm
• B)1.51 atm
• C)1150 torr
• D)978 torr

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