Calcula la fracción molar de la sacarosa (C12H22O11), si se disuelven 0,0087 mol de esta en 3,2 mol de agua

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

How many moles are in 123.0 grams of kclo4?

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?