You Dissolve 15

question 64

Multiple Choice

You dissolve 15.71 g of NH₄NO₃ in 150.0 mL of solution (call this solution A) . You take 20.0 mL of solution A and add water until the total volume is 75.0 mL (call this solution B) . You take 15.0 mL of solution B and add 25.0 mL of water to it (call this solution C) . You mix 10.0 mL of solution B and 10.0 mL of solution C (call this solution D) . What is the concentration of ammonium nitrate in solution D?

• A) 0.240 M
• B) 0.190 M
• C) 0.131 M
• D) 0.279 M
• E) none of these

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Definitions:

Assumption's Probability Distribution

The theoretical distribution of probabilities assigned to all possible values of a variable based on certain assumptions.

NPV

Net Present Value; a financial metric used to evaluate the profitability of an investment, calculated by subtracting the present value of cash outflows from the present value of cash inflows.

Percentage Of Risk

The proportion of risk involved in a particular investment or business decision, often expressed as a percentage.

Market Size

An estimate of the demand for a product or service within a particular market.