A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0.30 mole of
CHEMISTRY
JAMB 1997
A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0.30 mole of He exerts a total pressure of 2.1 atm. The partial pressure of He in the mixture is?
- A. 0.90 atm
- B. 0.80 atm
- C. 0.70 atm
- D. 0.60 atm
Correct Answer: A. 0.90 atm
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