If the Molar Mass of a Substance Is 20

question 10

Multiple Choice

If the molar mass of a substance is 20.0 g/mol, what is the mass of 4.01 x 10²³ molecules of the substance?

• A)30.0 g
• B)13.3 g
• C)8.02 x 10²⁴ g
• D)1.20 x 10²⁵ g
• E)3.00 g

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Definitions:

Polynomial Model

A regression model where the relationship between the independent variable and the dependent variable is expressed as an nth degree polynomial.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Second-Order Model

A second-order model in statistics or mathematics represents relationships where the effect of variables is not just linear but can also include squared terms or interactions between variables.

Predictor Variable

Also known as the independent variable, it is used in statistical models to predict the outcome of a dependent variable.