What length of mercury column will a gas at $0.650*atm$ support?

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Answer 1 · 2016-11-03T15:20:55

$1*atm$ of pressure will support a column of mercury $760*mm$ high.

The use of mercury manometers, despite its risks, is still widespread in inorganic laboratories.

And thus $0.650*atmxx760*mm*atm^-1$ $=$ $??*mm*Hg$ .

What length of mercury column will a gas at 0.650*atm0.650*atm support?