Moles and Conversions
Authored by Lisa Thompson
Science
11th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the total number of moles contained in 115 g of C2H5OH?
0
1.5
3.0
2.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the total mass in grams of 0.75 mole of SO2?
16 g
24 g
32 g
48 g
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the mass of 5 moles of water.
18.02 g
36.04 g
90.1 g
25.0g
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the number of atoms in 0.0340 g Zn.
5.200 x 10-4 atoms Zn
3.130 x 1023 atoms Zn
3.130 x 1020 atoms Zn
1 atom Zn
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many molecules are in 2.5 mol of NaCl?
1.50 x1024 molecules
1.50 molecules
4.15 molecules
1.51 x1024 molecules
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles are in 19.82 g Mg?
1.23 mol Mg
481.70 mol Mg
1.00 mol Mg
0.82 mol Mg
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
5.00 moles
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