Question

From the following data, identify the correct pH value of sea water:

• A. 6.5
• B. 7
• C. 7.8
• D. 8.5

Hint:

The pH of seawater is slightly alkaline, typically around 7.8, due to carbonate buffering.

Answer 1

The Correct Option is C

The average pH of seawater is slightly alkaline, around 7.8. This alkalinity is due to the presence of dissolved carbonates and bicarbonates, which act as natural buffers to stabilize the pH.