Quiz 4: Dimensional Analysis/Moles

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

• 720 feet
• 5 feet
• 5 inches
• 72 feet

You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.

• 25 mg
• 25,000 mg
• 250 mg
• 2500 mg

How many inches are in 1 mile? (5280ft = 1mi; 12in = 1ft)

• 66330in

• 63360in

• 63660in

• 63066in

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg

Americans drink 5,604,000 gallons of sweet tea each day. How many liters is that? (1 gal = 3.79 L)

• 21,200,000 L

• 21,240,000 L

• 21,207,190.2 L

• 21,000,000 L

What unit should be in the denominator of the conversion factor?

• yards
• leagues
• feet
• fathoms

What conversion factor would you use to solve this problem?

• 2.20 lbs / 1 kg
• 1 kg / 2.20 lbs
• 0.002 lbs / 1 g
• 1 g / 0.002 lbs

All conversion factors are equal to _______.

• zero

• one

• ten

• original units

Which conversion fraction would be needed?

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Which conversion factor would be needed?

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