Which Combination of Solutions Is the Best Choice for Making

question 16

Multiple Choice

Which combination of solutions is the best choice for making a buffer solution?

• A)equal volumes of 1 M ammonia (NH₃) and 0.001 M ammonium chloride (NH₄Cl)
• B)equal volumes of 0.5 M hydrochloric acid (HCl) and 0.5 M sodium hydroxide (NaOH)
• C)equal volumes of 0.5 M hydrochloric acid (HCl) and 0.5 M sodium chloride (NaCl)
• D)equal volumes of 2 M ammonia (NH₃) and 1 M hydrochloric acid (HCl)
• E)equal volumes of 2 M ammonium chloride (NH₄Cl) and 1 M hydrochloric acid (HCl)

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Definitions:

Alpha Generated

The excess returns of a portfolio over the benchmark's returns, attributable to the skill of the portfolio manager rather than the market movement.

Regression Equations

Statistical methods used to estimate the relationships among variables, often employed to predict future trends based on historical data.

Intercept

In regression analysis, the constant term that represents the value of the dependent variable when all the independent variables are zero.

Alpha

In finance, a measure of performance on a risk-adjusted basis, calculating the excess return of an investment relative to the return of a benchmark index.