If the mole fraction of sodium is 0.25 in 9 moles of liquid carbon dio – McqOptions

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1.	If the mole fraction of sodium is 0.25 in 9 moles of liquid carbon dioxide, what is the mass fraction of sodium?
A.	0.10
B.	0.15
C.	0.20
D.	0.25
Answer» C. 0.20

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