A Solution Is Prepared by Dissolving 53

question 46

Multiple Choice

A solution is prepared by dissolving 53.5 grams of ammonium chloride, NH₄Cl, in 4000.0 grams of water. What is the freezing point of the solution? (The freezing point depression constant for water is 1.86°C/mole solute in 1000 g of water.)

• A) -0.37°C
• B) -0.47°C
• C) -0.93°C
• D) -1.86°C

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Definitions:

Discounted Cash Flow

An analysis method used to estimate the value of an investment based on its expected future cash flows, adjusted for time value of money.

Initial Investment

The amount of money used to start a project, venture, or purchase an investment, before any returns or profits are considered.

Project Profitability Index

The ratio of the net present value of a project’s cash flows to the investment required.

Internal Rate

Typically refers to the Internal Rate of Return (IRR), a financial metric used to estimate the profitability of potential investments.