Mole Concept Practice

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many molecules are in 2.00 moles of H2O?
124x1024 molecules of H2O
1.20x1023 molecules of H2O
1.20x1024 molecules H2O
124
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many atoms are in 1.50 moles of Hg?
9.03x1023 atoms Hg
9.03x1024 atoms Hg
903 atoms of Hg
9.03 atoms of Hg
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles are in 3.01 x 1022 atoms of magnesium?
0.0500 moles
1.81 x 1046 moles
5.00 x 1021 moles
5.00 moles
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles are 98.3 grams of aluminum hydroxide, Al(OH)3? (Ar Al=27, H=1, O=16)
1.26 moles
0.8 moles
7,673.4 moles
150 moles
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mass of 4 moles of Al atom is
108 u
108 g
both A and B
108
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A mole of potassium chloride contains 6.02 x 1023 _____
atoms
formula units
ions
molecules
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass of 2.50 mol of oxygen gas O2?
40 g
80 g
16 g
32 g
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