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Unformatted text preview: 1 km^2 e. 517762 m^2 517800 m^2 f. 2.000 has 4 sig figs, so the answer must have 4 as well Chapter 1, #71 The total volume of seawater on Earth is 330,000,000 mi^3. Seawater is 3.5% NaCl. The density of seawater is 1.03 g/mL or 1.03 g/cm^3. What is the mass, in tons, of NaCl on Earth? (1 pound = 454 grams) (1 ton = 2000 pounds) 330,000,000 mi^3 (1.609 km)^3 (1000 cm)^3 1.03 gram 1 pound 1 ton 1 mi^3 1 km^3 1 cm^3 454 g 2000 lb Take the result x 3.5 = 5.5 x 10^16 tons of NaCl on Earth...
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This note was uploaded on 09/28/2008 for the course CHEM 2070 taught by Professor Chirik,p during the Fall '05 term at Cornell University (Engineering School).
 Fall '05
 CHIRIK,P

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