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Question
pregunta 13 (1 punto)
(01.06 mc)
the contents of two petri dishes are described in the table.
based on the final state, which statement is true about the substances in the petri dishes?
the final substances in both petri dishes are mixtures.
the final substances in both petri dishes are pure substances.
the final substance in petri dish c is a pure substance and in petri dish d is a mixture.
the final substance in petri dish c is a mixture and in petri dish d is a pure substance.
La sal de sodio (NaCl) es un compuesto químico puro, ya que está formado por átomos de sodio y cloro en una proporción fija. El azufre elemental es también una sustancia pura, ya que está formado por átomos de azufre. Ambos son ejemplos de sustancias puras, ya que tienen una composición definida y constantes propiedades físicas y químicas.
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b. The final substances in both petri dishes are pure substances.