Si se sabe que el tolueno con el benceno son componentes muy afines, por poseer propiedades similares. Determine las fracciones molares de cada componente en una disolución que contiene 40 g de Tolueno C7H8 en 152 g de Benceno C6H6 necesito el desarrollo y la respuesta

Name the following chemical compound: ca(c2h3o2)2

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

What are the two major rules associated with polarity