What happens to red blood cells when they are placed in a hypertonic solution?

Answer: If a red blood cell is place in hypertonic solution this will make water to move out of the cell (solute of greater concentration), the cell will shrink, it contented may become concentrated and may die.

Explanation:

Hypertonic solution is a solution that have higher concentration of solutes compared to hypotonic and isotonic solution. Hypertonic solution contains more dissolved particles like salt and electrolytes. When a cell is placed in it, the high concentration of the solutes will make water to leave the cell and the cell will shrink.