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workshop 1 f11 - How many cubic feet does 100 kg of mercury...

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Workshop 1 The best way to do unit conversions is to simply do algebra with the units. For example, one inch is 2.54cm. So, = × in cm in 1 54 . 2 1 . 23 58.7cm. Similarly, 2 2 2 4 . 1 54 . 2 1 1 . 9 in cm in cm = × 1) From Exam 1, Fall 2007 Sea water contains approximately 0.47moles/liter sodium chloride. How many pounds of sodium chloride are found in a gallon of sea water? (sodium chloride is 58.45g/mol) Useful information: 1 pound = 454g; 1 gallon = 4 quarts; 1 quart = 946 ml. 2) From Exam 1, Fall 2006
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Unformatted text preview: How many cubic feet does 100 kg of mercury occupy? Useful info: density of mercury = 13.6 g/cm 3 ; 2.54 cm/inch 3) One mole of any substance is its molecular or atomic weight in grams. One mole of a substance contains 6.02x10 23 molecules or atoms. • Using the periodic table, find how many grams are there in one mole of helium (He). • How many grams are in 0.27 moles of helium? • How many atoms are in 0.27 moles of helium?...
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