A Solution Is Prepared by Mixing 75 G of Methanol $\circ$

question 85

Multiple Choice

A solution is prepared by mixing 75 g of methanol (CH₃OH,32.04 g/mol) with 25 g of ethanol (CH₃CH₂OH,46.07 g/mol) .What is the mole fraction of ethanol in the vapor phase at 20 ^$\circ$ C?

• A)0.10
• B)0.12
• C)0.19
• D)0.32
• E)0.54

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Definitions:

Indirect Method

A cash flow statement preparation approach that adjusts net income for non-cash transactions and changes in working capital to calculate operating cash flow.

Comparative Balance Sheet

A financial statement that presents a company's assets, liabilities, and equity at two or more points in time, allowing for comparison and trend analysis.

Operating Activities

Operating activities include the primary revenue-generating activities of a business, as well as other activities that are not investing or financing activities, reflecting the company's core operations cash flow.

Comparative Balance Sheet

A financial statement that provides a snapshot of a company's assets, liabilities, and equity at two or more points in time for comparison.