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Measurement
# of sig figs
Moles
Molar Mass
Conversions
100
The last digit given in a measurement is known as the _____________ digit.
uncertain
100
135 g
3
100
When is Mole Day celebrated every year?
10/23
100
True/False: Each element has the same molar mass.
False
100
What number do you use to convert between grams and moles or moles and grams?
Molar mass
200
Determine the length (in cm) of the object in the following image.
1.36 cm, 1.37 cm, or 1.38 cm
200
20.00
4
200
How many bananas are there in a mole of bananas?
6.02 x 1023 bananas
200
What are the units for molar mass?
g/mol
200
What number do you use to convert between moles and number of particles?
Avogadro's number or 6.02 x 1023
300
Determine the length of the object in the following image.
5.6, 5.7, or 5.8 cm
300
0.0050
2
300
Write a mole pun.
There may be mole-tiple answers
300
What is the molar mass of copper? (Round to the hundredth place)
63.55 g/mol
300
Convert 1.00 moles of neon to grams of neon.
20.2 g
400
True/False: Your calculator always gives you the correct number of significant figures.
False
400
6.02 x 1023
3
400
What is Avogadro's number?
6.02 x 1023
400
What is the molar mass of SO2? (Round to the hundredth place)
64.06 g/mol
400
Convert 50.00 g of water to moles of water.
2.775 mol
500
What is the volume of water (in mL) of the water shown in the following image?
52.7 mL, 52.8 mL, or 52.9 mL
500
5,000,000,000
1
500
If you had a mole of moles, then how many moles would you have?
6.02 x 1023 moles
500
What is the molar mass of magnesium chloride? (Round to the hundredth place)
95.21 g/mol
500
Convert 5.00 moles of CO to molecules of CO.
3.01 x 1024 molecules