69. Many medical laboratory tests are run using 5\'yL blood serum. What is this
ID: 571614 • Letter: 6
Question
69. Many medical laboratory tests are run using 5'yL blood serum. What is this volume in milliliters? 70. If an aspirin tablet contains 325 mg aspirin, how many grams of aspirin does it contain? 71. Use scientific (exponential) notation to express the following quantities in terms of the SI base units in Tabl 1.3 (a) 0.13 g (b) 232 Gg (c)5.23 pm (d) 86.3 mg (e) 37.6 cm (1) 54 pm (g) 1 Ts (h) 27 ps 0)0.15 mk 72. Complete the following conversions between SI units. (a) 612 g mg (b) 8.160 m (c) 3779 png = .8 (d) 781 ml, (e) 4, 18 kg .8 (f) 27.8 m km CT 0.13 ml. (h) 1738 km 73. Gasoline is sold by the liter in many countries. How many liters are required to fill a 120-gal gas tank? 74. Milk is sold by the liter in many countries. What is the volume of exactly 1/2 gal of milk in liters? 75. A long ton is defined as exactly 2240 lb. What is this mass in kilograms? 76. Make the conversion indicated in each of the following: (a) the men's world record long jump, 29 ft 414 in.. to meters (b) the greatest depth of the ocean, about 6.5 mi, to kilometers (c) the area of the state of Oregon, 96,981 mi, to square kilometers (d) the volume of 1 gill (exactly 4 oz) to milliliters (e) the estimated volume of the oceans, 330,000,000 mi, to cubic kilometers. (f) the mass of a 3525-lb car to killograms (g) the mass of a 2.3-oz egg to grams Chapter Essetal 77. Make the conversion indicated in each of the following: (a) the length of a soccer field, 120 m (three significant figuares), to fee (b) the height of Mt. Kilimanjaro, at 19,565 ft the highest mountain in Africa, to kilometers (c) the area of an 8.5x11-inch sheet of paper in 2 (d) the displacement volume of an automobile engine, 161 in3, to liters (e) the estimated mass of the atmosphere, 5.6 × 1015 tons, to kilogramsExplanation / Answer
Ams (69) 5.0 uL = 5*10^-6 L and 1 L=1000 mL so 5*10^-6 L=5*10^-6*1000= 5*10^-3 mL
Ans(70) mass of tablet= 325 mg
1 gram =1000 mg
325 mg= 325*(1/1000)=0.325 grams
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