Which Is the Excess Reactant in the Following Reaction Given

question 70

Multiple Choice

Which is the excess reactant in the following reaction given that you start with 15.5 g of Na₂S and
CuSO₄?
Reaction: Na₂S + CuSO₄ → Na₂SO₄ + CuS

• A)Na₂S
• B)CuSO₄
• C)Na₂SO₄
• D)CuS
• E)not enough information

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Definitions:

Frontal Lobe

The part of the brain located at the front of each cerebral hemisphere, responsible for decision making, problem solving, and control of purposeful behaviors.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Brain Tumor

A mass or growth of abnormal cells located within or close to the brain.

Somatic Nervous System

Part of the peripheral nervous system associated with voluntary control of body movements through the action of skeletal muscles.