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What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL?
42 grams
1 g = ________ kg
0.001 kg
A jar contains 0.29 kg of olives. How many grams of olives are in the jar?
1kg=1000g
290g
The liter is a unit of volume in the metric system.
True or False
True
How many kilometers are there in 3.01 nm?
3.01x 10^-12
An unknown liquid has a density of 1.32 g/mL. What is the volume (mL) of a 14.7 g sample of the liquid?
11.1 ml
Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?
A. Aluminum (2.70 g/mL)
B. Ice (0.92 g/mL)
C. Cork (0.24 g/mL)
D. Gold (19.3 g/mL)
Cork
How many kilograms are in 30.4 lb?
13.8 kg
A 20.0-mL sample of a glucose IV solution has a mass of 20.6 g. What is the density of the glucose solution?
1.03 g/mL
Round off or add zeros to the following calculated answers to give a final answer with three significant figures:
0.00001258 L
0.0000126 L
An athlete with a body mass of 65 kg has 3.0% body fat. How many pounds of body fat does that person have?
4.3 lbs