Why is that conc of salt in solar pond increases exponentially...why not linearly... can anyone help me out..?
Question:
Answer:
Consider a beaker into which you poured a high-concentration salt solution, then let the water evaporate, add some more solution (less total volume this time because the deposited salt takes up space), and repeated this process over and over. Eventually the beaker would become filled with deposited salt, and the amount of water you could add each time would diminish to zero, but the concentration in the beaker from the many additions would keep increasing, approaching, but never reaching infinity. It's because with each subsequent filling the amount of pure water in the beaker decreases as the amount of salt increases.
The pond situation is the same as the beaker case, and you can think of the pond as a continually decreasing volume as it fills with salt.
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