1 degree Clark is equal to ________ ppm.
A. 12.3
B. 13.3
C. 14.3
D. 15.3
A. 12.3
B. 13.3
C. 14.3
D. 15.3
Correct answer is C. 14.3
Explanation: One degree Clark is equal to the 14.3 ppm. Ppm means parts per million. 1ppm is equal to 1mg/litre.
Explanation: One degree Clark is equal to the 14.3 ppm. Ppm means parts per million. 1ppm is equal to 1mg/litre.