PADI Divemaster Theory Practice Questions - PADI Divemaster Dive Theory Examination Exam

How does the density of seawater compare to the density of freshwater, and what is its weight per unit volume?

Seawater is less dense than freshwater, weighing 1.0 kg/liter (62.4 lbs/cubic foot). Seawater is denser than freshwater, weighing 1.025 kg/liter (64 lbs/cubic foot). Seawater and freshwater have identical densities, both weighing 1.0 kg/liter. Seawater is denser than freshwater, weighing 1.05 kg/liter (68 lbs/cubic foot).

Correct Answer:

Seawater is denser than freshwater, weighing 1.025 kg/liter (64 lbs/cubic foot).

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