21.5g of sodium chloride dissolves in 60g of water
at25C. Calculate the
concentration of the solution. PLS ANSWER for 30 point.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

The fact that the total amount of energy in a system remains constant is a(n)

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.