A Solution Is Prepared by Mixing 45 $\circ$ C?

A)1

question 1

Multiple Choice

A solution is prepared by mixing 45.68 g of carbon disulfide (CS₂,76.13 g/mol) with 16.42 g of acetonitrile (CH₃CN,41.06 g/mol) .What is the mole fraction of CS₂ in the vapor phase at 25 ^$\circ$ C?

• A)1.00
• B)0.600
• C)0.167
• D)0.273
• E)0.857

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