Two Pure Samples of Atoms, Labeled a and B, Contain

question 27

Multiple Choice

Two pure samples of atoms, labeled A and B, contain titanium (Ti) atoms and carbon (C) atoms, respectively. Each sample contains the same number of atoms. What is the ratio of the mass of sample B to that of sample A, m_B/m_A? Note the following atomic masses: C = 12 u; Ti = 48 u.

• A)1.0
• B)0.25
• C)2.0
• D)0.50
• E)4.0

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Definitions:

Increased

A term indicating a rise or growth in a particular variable or quantity.

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A circular statistical graphic divided into slices to illustrate numerical proportion, with the arc length of each slice corresponding to the quantity it represents.

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Dependent Variable

The variable in an experiment or study that is expected to change in response to changes in the independent variable.