tozneem
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which answer is the correct one and how do i solve it
1) The recommended limit for safe exposure to sulfur dioxide in the air is 0.000025%. What is the concentration in parts per million, ppm?
a)25
b)0.25
c)0.025
d)0.0025
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Stuntman_82
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(Original post by tozneem)
which answer is the correct one and how do i solve it
1) The recommended limit for safe exposure to sulfur dioxide in the air is 0.000025%. What is the concentration in parts per million, ppm?
a)25
b)0.25
c)0.025
d)0.0025
Multiply the percentage by 10,000 or divide the ppm value by 10,000. The answer is b
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staerryynighht
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1) The recommended limit for safe exposure to sulfur dioxide in the air is 0.000025%. What is the concentration in parts per million,ppm?
a)25
b)0.25
c)0.025
d)0.0025
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charco
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(Original post by staerryynighht)
1) The recommended limit for safe exposure to sulfur dioxide in the air is 0.000025%. What is the concentration in parts per million,ppm?
a)25
b)0.25
c)0.025
d)0.0025
percentage is parts per 100 ...
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