The water potential of seawater is .......... | vedclass

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Question

(A) Water potential $(\Psi_w)$ is defined as the potential energy of water per unit volume relative to pure water in reference conditions. Pure water

Vedclass · Accepted Answer

Less than $0$

Vedclass · Answer

(A) Water potential $(\Psi_w)$ is defined as the potential energy of water per unit volume relative to pure water in reference conditions. Pure water has the highest water potential, which is defined as $0$. Any solute added to pure water decreases its free energy and thus lowers the water potential, making it negative. Since seawater contains a high concentration of dissolved salts (solutes), its water potential is significantly lower than that of pure water. Therefore, the water potential of seawater is less than $0$.

The water potential of seawater is $...........$.

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