Concentrations of solutions

Question 1

What is a concentration ?

Answer 1

1) reactions take place between substances that are dissolved in a solution. The amount of substance in a certain volume of solution = concentration
2) more solute in a given volume = more concentrated the solution

Question 2

mass(g) =

Answer 2

conc (g/dm^3) x volume (dm^3)

Question 3

cm^3 to dm^3

Answer 3

divide 1000