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At 288 K, the vapor pressure of pure water is 12.79 mmHg and that of seawater...

At 288 K, the vapor pressure of pure water is 12.79 mmHg and that of seawater is 12.51 mmHg. Assuming that seawater contains only NaCl, estimate its concentration (in mol/L). (Hint: Sodium chloride is a strong electrolyte. The density of water at this temperature is 0.99910 g·cm−3.)

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