The solubility of salt in water is a function of the water temperature. Let S represent the
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The solubility of salt in water is a function of the water temperature. Let S represent the solubility of NaCl (sodium chloride) as grams of salt in 100 g of water. Let T be temperature in °C. Use the following data to obtain a curve t for S as a function of T. Use the t to estimate S when T = 25°C.
T (°C) S (g NaCl/100 g H2O)
10 ……………….. 35
20 ……………….. 35.6
30 ……………….. 36.25
40 ……………….. 36.9
50 ……………….. 37.5
60 ……………….. 38.1
70 ……………….. 38.8
80 ……………….. 39.4
90 ……………….. 40
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