An infant acetaminophen suspension contains 80.0mg/0.80 mL suspension. The recommended dose is 15 mg/kg body weight. (1.000 lb. is equivalent to 453.59 g; this is a measured equality.) How many mL of this suspension should be given to an infant weighing 17 lb ? (Assume two significant figures.)

An Austrian boxer reads 69.1 kg when he steps on a balance scale in his gymnasium. Should he be classified as a welterweight 136 to 147 lb or a middleweight 148 to 160 lb?

The density of homogenized milk is 1.03 g/mL. How much does 1 cup (236 mL) of homogenized milk weigh in grams?

A 500-mL bottle of Evian bottled water contains 12 mg magnesium. The recommended daily allowance of magnesium for adult women is 320 mg/day. Calculate how many 1-L bottles of Evian a woman would have to drink to obtain her total daily allowance of magnesium solely in this way.

a. There are 365 days per year, 24 hours per day, 12 months per year, and 60 minutes per hour. Use these data (o deter- mine how many minutes are in a month. b. Now use the following data to calculate the number of minutes in a month: 24 hours per day, 60 minutes per hour, 7 days per week, and 4 weeks per month. c. Why are these answers different? Which (if any) is more correct? Why?

A sample of vermilion-colored mineral was weighed in air, then weighed again while suspended in water. An object is buoyed up by the mass of the fluid displaced by the object. In air, the mineral weighed 18.49 g; in water, it weighed 16.21 g. The densities of air and water are 1.205 g/L and 0.9982 g/cm3, respectively. What is the density of the mineral?

One year of world production of gold was 49.6 106 troy ounces. One troy ounce equals 31.10 g. What was the world production of gold in metric tons (106 g) for that year?

Which weighs more, 4.25 g of gold or 425 mg of gold?

A load of bauxite has a density of 3.15 g/cm3. If the mass of the load is 115 metric tons, how many dump trucks, each with a capacity of 12 cubic yards, will be needed to haul the whole load?

145 Children’s Chewable Tylenol contains 80. mg of acetaminophen per tablet. If the recommended dosage is 10. mg/kg, how many tablets are needed for a 70.-lb child?