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Show the work explained in class to determine the answers to the following problems: 1 mile = 1.61 km , 12 in = 1 ft , 1cm3 = 1 mL 3.785 L = 1 gal 1 lb = 454g
1. If a solid has a density of 2.2g/ml, what is the volume ( in L ) if I weighs 681g of the solid?
2. How many grams of a substance do you have if you have 7.32 liters (L) of a liquid that has a density of 0.651 kg/L ?
Answer:
1. 0.31g
2. 4.77E3 g or 4770 g (where 0 is not a significant figure)