The end point of a titration was reached after 22 ml of 0.050 m disodium edta titrant was dispensed into a solution containing the zinc ion. calculate the moles of disodium edta used

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.

What term describes technology that operates on an atomic level

What causes the appearance of lines in a emission spectrum