How Many Grams of the Excess Reactant Remain Assuming the Reaction

question 36

Multiple Choice

How many grams of the excess reactant remain assuming the reaction goes to completion and that you start with of Na₂S and CuSO₄?
Reaction: Na₂S + CuSO₄ → Na₂SO₄ + CuS

• A)0.05
• B)15.45
• C)9.58
• D)5.92
• E)not enough information

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Definitions:

Seminiferous Tubules

Narrow, coiled tubules within the testes where sperm production occurs.

Glans Clitoris

The external portion of the clitoris, a sensitive erogenous organ located at the anterior part of the vulva in females.

Homologous

Structures or molecules in different species that are similar because of common ancestry.

Penis

Male copulatory organ; in humans, the male organ of sexual intercourse.