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I'm looking at the barometer in my lab as i type this question. it says the pressure is 0.905 atm. what is this pressure expressed in torr?

Respuesta :

Louli
1 atm is equivalent to 760 torr.

To express 0.905 atm in torr, all you have to do is cross multiplication as follows:
1 atm ................> 760 torr
0.905 atm .........> ?? torr
pressure = (0.905 * 760) / (1) 
pressure = 687.8 torr

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