Which Is the Excess Reactant in the Following Reaction Given

question 29

Multiple Choice

Which is the excess reactant in the following reaction given that you start with 15.5 g of Na₂S and 12.1 g CuSO₄?
Reaction: Na₂S + CuSO₄ → Na₂SO₄ + CuS

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

---

Definitions:

Nutrients

Substances obtained from food that are essential for growth, metabolism, and other bodily functions.

Cellular Respiration

The metabolic process in which cells obtain energy by consuming oxygen and yielding carbon dioxide, typically involving the breakdown of glucose to produce ATP.

Undigested Food

Material that has passed through the digestive tract without being broken down into nutrients that can be absorbed by the body.