Mole Conversions & % Composition
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Standards-aligned
Britany Coleman
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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the % composition by mass of sodium in NaCl?
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percentage of hydroxide ions in Ca(OH)2?
45.9%
75%
66.6%
90.1%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The % composition of aluminum in aluminum sulfate, Al2(SO4)3, is:
12.93%
45.70%
7.89%
35.94%
15.77%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The % composition of H in methane (CH4) is:
75%
92%
25%
4%
6%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 mole of Ca and 1 mole of Na have the same number of atoms.
True
False
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The unit for Molar mass is ________.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which of the following dimensional analysis setups will correctly convert 4.00 x 1023 atoms of cobalt to moles of cobalt? How many moles of cobalt are there?
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