Mole conversions/Percent Composition

Quiz
•
Science
•
10th Grade
•
Medium
Standards-aligned

Rory Sheats
Used 293+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 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
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
5 mins • 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
3.
MULTIPLE CHOICE QUESTION
5 mins • 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
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many grams are in 1.2 x 1024 atoms of C?
29.34 grams
23.94 grams
6.02 grams
1.21 grams
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percent composition by mass of sulfur (S) in the compound MgSO4?
20.22%
19.85%
26.64%
28.64%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determine the mass of 4.20 moles of C6H12
354 g
84 g
337 g
421 g
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