Question 1

A fish company delivers 22 kg of salmon, 5.5 kg of crab, and 3.48 kg of oysters to your seafood restaurant. What is the total mass, in kilograms, of the seafood?

Accepted Answer

$$31.0\ 	ext{kg}$$

Question 2

A fish company delivers 22 kg of salmon, 5.5 kg of crab, and 3.48 kg of oysters to your seafood restaurant. What is the total number of pounds of seafood delivered? (1 kg = 2.205 lb)

Accepted Answer

$$68.4\ 	ext{lb}$$

Question 3

In France, grapes are 1.95 euros per kilogram. What is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (1 kg = 2.205 lb)

Accepted Answer

$$1.01\ 	ext{dollars/lb}$$

Question 4

In Mexico, avocados are 48 pesos per kilogram. What is the cost, in cents, of an avocado that weighs 0.45 lb if the exchange rate is 18 pesos to the dollar? (1 kg = 2.205 lb)

Accepted Answer

$$44\ 	ext{cents}$$

Question 5

Bill’s recipe for onion soup calls for 4.0 lb of thinly sliced onions. If an onion has an average mass of 115 g, how many onions does Bill need? (1 lb = 454 g)

Accepted Answer

$$16\ 	ext{onions}$$

Question 6

The price of 1 lb of potatoes is $$1.75. If all the potatoes sold today at the store bring in 1420$$, how many kilograms of potatoes did grocery shoppers buy? (1 lb = 0.454 kg)

Accepted Answer

$$368\ 	ext{kg}$$

Question 7

During a workout at the gym, you set the treadmill at a pace of 55.0 m/min. How many minutes will you walk if you cover a distance of 7500 ft? (1 m = 3.281 ft)

Accepted Answer

$$41.5\ 	ext{min}$$

Question 8

The distance between two cities is 1700 km. How long will it take, in hours, to drive from one city to the other if your average speed is 63 mi/h? (1 mi = 1.609 km)

Accepted Answer

$$16.7\ 	ext{h}$$

Question 9

The water level in a graduated cylinder initially at 215 mL rises to 285 mL after a piece of lead is submerged. If the density of lead is $$11.3\ 	ext{g/mL}$$, what is the mass, in grams, of the lead?

Accepted Answer

$$791\ 	ext{g}$$

Question 10

A chef needs to convert a recipe that calls for 2.5 kg of flour to pounds. What is the mass in pounds? (1 kg = 2.205 lb)

Accepted Answer

$$5.51\ 	ext{lb}$$

Question 11

A patient is prescribed 500 mg of a medication. If the medication is supplied as 0.25 g tablets, how many tablets should the patient take?

Accepted Answer

$$2\ 	ext{tablets}$$

Question 12

A runner completes a 10.0 km race in 48 minutes. What is the runner’s average speed in miles per hour? (1 km = 0.621 mi)

Accepted Answer

$$7.8\ 	ext{mi/h}$$

Question 13

A hospital receives a shipment of 15 L of saline solution. If each patient requires 250 mL per treatment, how many treatments can be provided?

Accepted Answer

$$60\ 	ext{treatments}$$

Question 14

A laboratory technician needs to prepare 500 mL of a 0.2 M NaCl solution. How many grams of NaCl are required? (Molar mass of NaCl = $$58.44\ 	ext{g/mol})$$

Accepted Answer

Question 15

A nurse needs to administer 0.75 L of IV fluid to a patient over 6 hours. What is the required flow rate in mL per hour?

Accepted Answer

$$125\ 	ext{mL/h}$$

Unit Conversions and Dimensional Analysis in GOB Chemistry

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