What does 'per mil' represent in terms of powers of ten?

Understanding Parts Per Million and Percent

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

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 times 10 to the power of 9
1 times 10 to the power of 6
1 times 10 to the power of 3
1 times 10 to the power of 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If oxygen is 20% of the Earth's atmosphere, how many per mil is it?
200 per mil
400 per mil
100 per mil
500 per mil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert from percent to parts per million?
Multiply by 10 to the power of 2
Multiply by 10 to the power of 3
Multiply by 10 to the power of 4
Multiply by 10 to the power of 6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference in powers of ten when converting from parts per million to parts per billion?
4
3
9
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In atmospheric chemistry, which unit is commonly used for carbon dioxide?
Percent
Parts per million
Parts per billion
Per mil
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conversion factor when going from parts per billion to parts per trillion?
10 to the power of 6
10 to the power of 4
10 to the power of 2
10 to the power of 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is 400 parts per million of carbon dioxide expressed as a percent?
0.4%
4%
0.04%
0.004%
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