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# pressure of 50 mL of hydrogen at STP?

Update:

and for tamara, thats what i thought to, but im not sure. and i was not given any other information but i believe i'm supposed to use the PV = nRT equation?

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- 1 decade agoFavorite Answer
STP means standard temperature and pressure. Standard temperature is 0 degrees celcius.

Standard Pressure is 1 atm.

so if it is at STP then it has to be 1 atm.

Source(s): I've been working on The Ideal Gas Laws for the past 2 weeks in Chemistry. - 1 decade ago
Plug it into PV=nRT

P=pressure (unknown)

V=volume (.050 L )

n=moles (.004) (found using density of hydrogen- .08988)

R=gas constant (0.08206 L-atm/mol-K)

T=Temperature (273.15 at STP)

P=(.004)(.08206)(273.15)/(.050)

P=1.79 atm

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