A Sample of CH₂F₂ with a Mass of 19 G

question 176

Multiple Choice

A sample of CH₂F₂ with a mass of 19 g contains ________ atoms of F.

• A)2.2 × 10²³
• B)38
• C)3.3 × 10²⁴
• D)4.4 × 10²³
• E)9.5

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Definitions:

Iron Supplement

A dietary supplement taken to increase the amount of iron in the body, often recommended for treating or preventing iron-deficiency anemia.

Dysrhythmia

An abnormal heart rhythm that can vary from minor irregularities to severe abnormalities affecting the heart's ability to pump blood.

Heart Rate

The number of heartbeats per unit of time, usually measured per minute, indicating how fast the heart is beating.

Ventricular Repolarization

The process by which the ventricles of the heart return to their resting state after contraction, represented by the T wave in an electrocardiogram (ECG).