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2014-03-11T17:56:31+02:00
La 1 atm.....760 mmHg
la x atm.....700 mmHg       x=0,92105 atm
p*V=(m/masa molara)*R*T=>masa molara=(m*R*T)/(p*V)
masa molara=(3,5*0,082*338)/(3,3*0,92105)=>masa molara = 32g/mol
1 5 1