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Author Question: The concentration of dissolved oxygen (oxygen in water) depends on the temperature and pressure of ... (Read 77 times)

wenmo

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on: Jul 21, 2018

The concentration of dissolved oxygen (oxygen in water) depends on the temperature and pressure of
  the water and the concentration of atmospheric oxygen.


 
  Indicate whether the statement is true or false.

Question 2

Water hardness is measured by chemical analysis and is expressed as ppm salt.
 
  Indicate whether the statement is true or false.


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underwood14

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Reply #1 on: Jul 21, 2018
Answer to Question 1

T

Answer to Question 2

F


wenmo

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Reply 2 on: Jul 21, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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