 Mole Conversions
2 years ago
arenfro
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Practice 11 QuestionsShow answers
• Question 1
180 seconds
Q. How many molecules are in 2.5 mol of NaCl?
1.51x1023
146
4.15
1.51x1024
• Question 2
60 seconds
Q. How many molecules of sugar (C6H12O6) are in a mole?
24 molecules
180 molecules
180 g
6.02 x 1023 molecules
• Question 3
300 seconds
Q. How many atoms of carbon are in 6.00g of carbon?
1.20x1024atoms C
6.02x1023atoms C
3.01x1023atoms C
1.50x1023atoms C
• Question 4
300 seconds
Q. How many grams are in 1.2 x 1024 molecules of CO?
28 grams
56 grams
6.02 grams
1.2 grams
• Question 5
30 seconds
Q. How many steps are in a gram to mole conversion?
1
2
3
4
• Question 6
180 seconds
Q. How many moles are in 3.01 x 1022 atoms of magnesium?
0.05 moles
1.81 x 1046 moles
5.00 x 1021 moles
5 moles
• Question 7
30 seconds
Q. If an atom of Fluorine has an atomic mass of 19 amu, it has a Molar mass of ____
19 lbs.
19 kg
How am I supposed to know?
19 g/mol
• Question 8
30 seconds
Q. What are the units for molar mass?
grams
amu
grams/mole
liters
• Question 9
120 seconds
Q. What is the molar mass of table salt (NaCl)?
116.886 g/mol
35.453 g/mol
22.990 g/mol
58.443 g/mol
• Question 10
180 seconds
Q. What is the mass of 0.89 mol of CaCl2?
111 grams
0.008 grams
98.9 grams
none of the choices
• Question 11
30 seconds
Q. How many steps are in a gram to molecule conversion?