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A 2.350x10^-2 M solution of a NaCl in water is at 20.0 degrees C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined the volume of water needed to do this was 999.4 mL. The density of water at 20.0 degrees C is 0.9982 g/mL. Calculate the concentration of the salt solution in parts per million. Express your answer as an integer to four significant figures and include the appropriate units.