In the given figure, if the pressure of gas in bulb A is 50 cm Hg vacuum and Patm = 76 cm Hg, then the height of column H is equal to ______

A. 26 cm
B. 50 cm
C. 76 cm
D. 126 cm
In the given figure, if the pressure of gas in bulb A is 50 cm Hg vacuum and Patm = 76 cm Hg, then the height of column H is equal to ______
A. 26 cm
B. 50 cm
C. 76 cm
D. 126 cm