At STP, a container has 1 mole of He, 2 mole Ne, 3 mole \[{{O}_{2}}\] – McqOptions

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1.	At STP, a container has 1 mole of He, 2 mole Ne, 3 mole \[{{O}_{2}}\] and 4 mole\[{{N}_{2}}\]. without changing total pressure if 2 mole of \[{{O}_{2}}\] is removed. The partial pressure of \[{{O}_{2}}\] will be decreased by:
A.	26%
B.	0.4
C.	58.33%
D.	0.6666
Answer» D. 0.6666

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