Question

calcule a massa molecular em quilogramas dos gases: O2; Co2; N2; Ch4; He

Answer 1

O2 = 32g/mol --  0,032kg/mol
CO2 = 12g/mol + 32g/mol = 44g/mol = 0,044kg/mol
N2 = 28g/mol -- 0,028kg/mol
CH4 = 12g/mol + 4g/mol  =16g/mol = 0,016kg/mol
He = 4g/mol = 0,004kg/mol