What can be deduced about two gases that have
the same molecular mass?

Spanish = La ley de Avogadro establece que "los volúmenes iguales de todos los gases, a la misma temperatura y presión, tienen el mismo número de moléculas". Para una masa dada de un gas ideal, el volumen y la cantidad (lunares) del gas son directamente proporcionales si la temperatura y la presión son constantes.

English = Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules." For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.

its first and third is your answer i did the qustion the fourth isnt right

a corroding iron, if that's one of your choices