Ocean Water. Salts and Gases. The Dissolving Power of Water. Dissolving power results from polar nature of H 2 O molecule. Na + and Cl - are held together by ionic bonds (attraction of opposite charges). H 2 O reduces the ionic bonding and pulls Na + and Cl - apart.
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Salts and Gases
Why is the ocean salty?
1. Calculating Salinity
(freezing point of seawater =-2°C)
3. Changes vapor pressure
pH of seawater = 7.5-8.5; Average = 7.8