Unit 5 Quiz Review
Chemistry
10th - 11th Grade
NGSS covered
Used 36+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many moles of H are in 0.023 mol (NH4)2SO4
0.092 mol
0.023 mol
0.184 mol
0.046 mol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A sample of silver contains 5.71 x 1022 atoms. How many moles of silver are present?
3.43 x 1046 moles
0.0529 moles
0.0948 moles
10.5 moles
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many atoms are present in a 0.0254 mole sample of gold?
0.25 atoms
1.528 x 1022 atoms
4.22 x 10-25 atoms
5 atoms
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following shows the correct setup to determine the number of moles in a 12.0 gram sample of Cl2?
12/35.5 mole
12/71 mole
12 moles
12 x 35.5 moles
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Vitamin C, also known as ascorbic acid, is water soluble and cannot be produced by the human body. Each day, a person's diet should include a source of Vitamin C, such as orange juice. Ascorbic acid has a molecular formula of C6H8O5 and a molar mass of 176 grams per mole.
Determine the number of moles of C in 237 mol of ascorbic acid
1056 mol
1185 mol
1422 mol
1896 mol
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the molar mass of calcium hydroxide, Ca(OH)2?
74.1 g/mole
57.1 g/mole
58.1 g/mole
57.1 u
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent of Au in AuCl3?
35.06%
153.98%
52.00%
64.94%
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