Science
10th - 12th Grade
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13 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many atoms of iodine are in a mole of iodine?
53
63.55g
126.9
6.02 x 1023
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The number 6.02 x 1023 is called...
Obama's number
Bohr's number
Trump's number
Avogadro's number
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the molar mass of NaCl?
58.45g/mol
28g/mol
12g/mol
6.02 x 1023
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the mass of one mole of aluminum?
26.982 g
13 g
53.985 g
14 g
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many molecules are in 2.5 mol of NaCl?
1.51x1023
146
4.15
1.51x1024
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many atoms of carbon are in 6.00g of carbon?
1.20x1024atoms C
6.02x1023atoms C
3.01x1023atoms C
1.50x1023atoms C
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the mass of 0.89 mol of CaCl2?
111 grams
0.008 grams
98.9 grams
none of the choices
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