
Percent Composition of HCl

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the video tutorial?
Calculating the density of HCl
Finding the percent composition by mass of elements in HCl
Understanding the chemical reactions of HCl
Learning about the history of HCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of HCl as calculated in the video?
34.46 grams per mole
36.46 grams per mole
38.46 grams per mole
40.46 grams per mole
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element's percent composition is calculated first in the video?
Oxygen
Chlorine
Hydrogen
Nitrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percent composition of hydrogen in HCl?
3.77%
4.77%
2.77%
1.77%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass of hydrogen used in the calculation?
1.01 grams per mole
1.03 grams per mole
1.04 grams per mole
1.02 grams per mole
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass of chlorine used in the calculation?
37.45 grams per mole
34.45 grams per mole
36.45 grams per mole
35.45 grams per mole
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percent composition of chlorine in HCl?
97.23%
96.23%
95.23%
98.23%
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