Fluorine gas reacts violently with water to produce HF and ozone through the following reaction:
6F2 + 6H2O → 12HF + 203
How many moles of F2 are required to produced 8.3 moles of HF?

4.15
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indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.