What is the correction to the atmospheric pressure due to the 40.8 mm height of the solution in the tube and above the level in the beaker?
Correct answer: A. 3.0 mm Hg
- A. 3.0 mm Hg
- B. 6.0 mm Hg
- C. 13.6 mm Hg
- D. 27.2 mm Hg
- E. 40.8 mm Hg
Explanation
The 40.8 mm of water being held up in the tube by atmospheric pressure can be changed to its equivalent height of mercury by dividing it by 13.6, since 1 mm of Hg = 13.6 mm of water. By correcting the atmospheric pressure, we get: 730 mm Hg - 3 mm Hg = 727 mm Hg.
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