The Number of Formula Units in a Mole of a Substance

question 32

Multiple Choice

The number of formula units in a mole of a substance

• A) depends on the formula mass of the substance.
• B) depends on whether the substance is an element or a compound.
• C) depends on whether the substance is a gas, a liquid, or a solid.
• D) is the same for all substances.

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, with a certain degree of confidence.

Confidence Interval

A sequence of numerical values, obtained from the statistics of a sample, that likely envelops an undetected population parameter.

Sample Mean

The average value calculated from a subset of a population, used to estimate the population mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the numbers are from the mean.