Solve each of the following problems using one or more conversion factors (see Table)
a. You need 4.0 oz of a steroid ointment. If there are 16 oz in 1 lb, how many grams of ointment does the pharmacist need to prepare?
b. During surgery, a person receives 5.0 pt of plasma. How many milliliters of plasma were given?
c. Solar flares containing hot gases can rise to 120 000 mi above the surface of the Sun. What is that distance in kilometers?
d. A filled gas tank contains 18.5 gal of fuel. If a car uses 46.0 L, how many gallons of fuel remain in the tank?
Table
Quantity | Metric (Si) | U.S. | Metric-U.S. |
Length | 1 km = 1000 m | 1 ft = 12 in. | 2.54 cm = 1 in. (exact) |
1 m = 1000 mm | 1 yd = 3 ft | 1 m = 39.37 in. | |
1 cm = 10 mm | 1 mi = 5280 ft | 1 km = 0.6214 mi | |
Volume | 1 L = 1000 mL | 1 qt = 4 cups | 1 L = 1.057 qt |
1 dL = 100 mL | 1 qt = 2 pt | 946.3 mL = 1 qt | |
1 mL = 1 cm3 | 1 gal = 4 qt |
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Mass | 1 kg = 1000 g | 1 lb = 16 oz | 1 kg = 2.205 lb |
1 g = 1000 mg |
| 453.6 g = 1 lb |
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Time | 1 h = 60 min |
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1 min = 60 s |
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