A 21.9 g21.9 g sample of CaSO4CaSO4 is found to contain 6.45 g6.45 g of CaCa and 10.3 g10.3 g of O. Find the mass of sulfur in a sample of CaSO4CaSO4 with a mass of 70.9 g.70.9 g. mass of sulfur

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

Type the letter that represents the correct location for each particle type below.