Sodium Carbonate,Na₂CO₃(s),may Be Prepared by Heating Sodium Bicarbonate,NaHCO₃(s)

question 68

Multiple Choice

Sodium carbonate,Na₂CO₃(s) ,may be prepared by heating sodium bicarbonate,NaHCO₃(s) . 2NaHCO₃(s) Na₂CO₃(s) + CO₂(g) + H₂O(g) K_P = 0.23 at 100ºC
If a sample of NaHCO₃ is placed in an evacuated flask and allowed to achieve equilibrium at 100ºC,what will the total gas pressure be?

• A)0.46 atm
• B)0.96 atm
• C)0.23 atm
• D)0.48 atm
• E)0.11 atm

---

Definitions:

Odors

Smells or scents, typically those that are detectable by the sense of smell, and can have significant environmental and psychological impacts.

Newborns

Refers to infants from birth to a few months old, focusing on their care, development, and health needs.

Easy Babies

Infants who are generally calm, easily soothed, and adaptable to new situations or routines, making them perceived as easier to care for.

Difficult Babies

Babies who exhibit challenging behaviors such as excessive crying, difficulty in soothing, and irregular sleep patterns, often due to temperament.