<Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> CAS Number </Th> <Td> <Ul> <Li> 7647 - 14 - 5 </Li> </Ul> </Td> </Tr> <Ul> <Li> 7647 - 14 - 5 </Li> </Ul> <Li> 7647 - 14 - 5 </Li>

Discuss why saline in iv bags has a 0.9 nacl concentration