# Middlesex Community College Chemistry Questions

Unit Analysis QuizName __________________________
1. If an airplane is flying at a rate of 250 mph, how many minutes will it take for the plane
to travel 75 kilometers (km)? Show all work, correct units and significant figures.
2. If a doctor prescribes to a patient to take 1 dose Milk of Magnesia that is equal to
10 cc, how many fluid ounces (fl oz) would be needed for 12 doses?
Show all work, correct units and significant figures.
Useful equalities:
30 mL = 1 fl oz
1 cc = 1 mL
3. If water costs \$1.50 per 0.5 L, how much money will an athlete need if they drink
1 gallon of water per day for 7 days. Show all work, correct units and significant figures.
4. If a beverage has a density of 1.45 g/mL, how many kilograms (kg) are in 750 mL of
the beverage? Show all work, correct units and significant figures.
5. If a liquid has a density of 1.29 g/mL, how many L of the liquid would you measure out
if you needed 78 g of the liquid? Show all work, correct units and significant figures.
6. What is the density (in g /mL) of a solution if 655 mL has a mass of 250 grams?
Show all work, correct units and significant figures.

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