A normal saline drip is a NaCl solution that is isotonic to blood serum so that it does not affect the size of blood cells. If normal saline is 0.89% (w/v), how would you prepare 250. mL of a normal saline solution?

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

State one important difference between a physical change and a chemical change?

One similarity and one difference between an element and a mixture of elements