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

Identify factors affecting turgor pressure in plant cells and its consequences.

Discuss the physiological adaptations of plants to regulate water and solute movement.

Analyze the experimental methods used to study plant water relations and solute transport.

Describe the structural features of plant cells that facilitate water and solute movement.

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