
Chemical Composition and Atomic Mass

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

Jackson Turner
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass of potassium as mentioned in the video?
40.08
39.10
12.01
16.00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many potassium atoms are present in the formula K2CO3?
3
4
2
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass of carbon used in the calculation?
39.10
12.01
16.00
14.01
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the subscript for oxygen in the chemical formula K2CO3?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final molar mass of K2CO3 as calculated in the video?
138.8 g/mol
120.3 g/mol
150.5 g/mol
100.2 g/mol
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