Which of the Following Correctly Determines the Formula Mass of Sodium

question 39

Multiple Choice

Which of the following correctly determines the formula mass of sodium sulfate (Na₂SO₄) ?

• A) 7 × (23 amu + 32 amu + 16 amu)
• B) 2 × 23 amu + 4 × (32 amu + 16 amu)
• C) 2 × 23 amu + 32 amu + 4 × 16 amu
• D) 2 × 11 amu + 16 amu + 4 × 8 amu
• E) 2 × 11 amu + 4 × (16 amu + 8 amu)

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Definitions:

Internal Cues

Psychological or physiological signals from within the body that can trigger certain responses, such as hunger cues indicating the need to eat.

Glucose

A simple sugar and a key energy source for the body, critically involved in cellular respiration and the production of ATP.

Glycogen

A multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.

Short-Term Energy

Energy available for immediate use, typically referring to biological systems or temporary power solutions.