To find the volume of a few small marbles a student will need which of the following scientific tools?

The diagram below shows a cell placed in a solution. a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution. only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it. it will expand as water moves into it. it will shrink as water moves into it.

Amixture with the same composition throughout is!

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.