At a pressure of 907 mbar , what would be the corresponding height of the mercury in the column of a mercury barometer?

The answer for this problem can be computed in two ways:
1 bar or 1000 mbar = 750 mm Hg 
0.907 bar = 907 mbar = 680.25 mm Hg.Or907 mbar * 10^-3/ 1.01325 = 0.8951 
0.8951 atm *760mm Hg/1atm = 680.31 mm Hg would be the corresponding height of the mercury in the column of a mercury barometer.

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