. Experimentalmente se comprueba que 5,58 g de hierro se combinan con 3,21 g de azufre obteniéndose un compuesto llamado sulfuro de hierro (II).
a) Calcula la masa de hierro necesaria para que reaccione con 1,23 g de azufre y se
obtenga este sulfuro de hierro (II).
b) ¿En qué ley fundamental se basa la respuesta a la pregunta formulada? Enúnciala.

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added