Baking Soda (NaHCO₃, 84

question 64

Multiple Choice

Baking soda (NaHCO₃, 84.0 g/mol) requires acids from other ingredients to generate the carbon dioxide needed to make bread rise. The following equation describes this reaction, where HB is some unspecified acid. If 20.4 g of baking soda are used in a recipe and enough acid is present for a complete reaction, how many moles of carbon dioxide are generated? HB NaHCO₃ H₂O CO₂ NaB

• A)0.464 mol
• B)0.334 mol
• C)0.243 mol
• D)0.204 mol
• E)0.232 mol

---

Definitions:

Synchondrosis

Synchondrosis is a type of joint where bones are joined by hyaline cartilage, allowing for growth or movement, as seen in the growth plates of children.

Syndesmosis

A type of fibrous joint at which two bones are bound by long collagen fibers, providing a flexible connection between them.

Synostosis

The fusion of two bones into a single undivided bone, often occurring naturally in the course of aging.

Suture

Junction between flat bones of the skull.