A Solution Contains 12

question 79

Multiple Choice

A solution contains 12.5% NaCl by mass.What mass of solution is required to obtain Na atoms?

• A)0.013 g
• B)30 g
• C)1.2 g
• D)95 g
• E)78 g

---

Definitions:

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.

Regression Equation

An equation that describes the average relationship between a dependent variable and one or more explanatory variables.