What Is the Mass of 9

question 116

Multiple Choice

What is the mass of 9.00 × 10²² molecules of NH₃?

• A)0.00878 g
• B)0.393 g
• C)2.55 g
• D)114 g

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Definitions:

Pie Charts

A type of graph in which a circle is divided into sectors that each represent a proportion of the whole.

Gender Differences

Variations in attributes, behaviors, or characteristics that distinguish between male and female subjects in research or societal contexts.

Questionnaire

A set of questions designed for gathering information from respondents for research purposes.

Z-score

A calculation that determines how a particular value's distance from the mean of a set of values is expressed in standard deviations.