So generally the strength of an acid is determined by the position of its ionization or dissociation within the reaction. So we have a church A. At H 20 That's an equilibrium with eight minus the conjugate base at H 30 plus the conjugate acid. So a strong acid is one for which the forward reaction is in favor, meaning that most if not all of the acid is D. Protein ated. A strong acid can be described as an acid where the conjugate bases a much weaker base than the water. So in this case the water molecule when the competition for the H plus irons. So, for example, if we have acetic acid, HC two, age three to this is dissolved in water and the resulting solution can conduct an electrical current. But this is only very weakly. So that is that the aesthetic asset is a very weak electrolyte, meaning that it only has a few irons present. So for example, we have HC two H three oh two At H 20. We got a church 30 plus odd C two H 302 minus. So the reverse reaction will be in favor. So we will only have partial association here. So the aesthetic acid is a weak acid. And so when acetic acid molecules are placed in water, almost all of the molecules will remain under associated. So this tells us that acetic iron, which is C two H 302 minus, will be a very effective base. It very successfully attracts H plus ions within water. So as a result, this means that acetic acid remains largely in the form Of the HC two H 302. So we acid is one where the reverse reaction will predominate as we have discussed. So most of the acid originally placed in the solution is still present as the protein ated form on the left hand side, So weak acid will only to associate to a very small extent. So we can define a concentrated acid, so the acid in which the numbers of the iron per unit volume are more than the acid. Then the acid is said to be concentrated. If we was to define a dilute acid upon dilution of a concentrated acid, the number of irons per unit volume will decrease. And as a result of this, the acid in which the number of irons per unit volume are reduced down the acid. Then the acid is said to be dilute, so that is part A. That we have covered. Next we've got part B. So the order basic strength is a minus H 20 C. Out minus. This is because a strong acid or base is one that is completely ionized. In other words associated. So strong acids have weekly conjugated basis. Weak acids have quite strong conjugated basis, so a minus is a conjugated base of a weak acid. CR minus is a conjugated base of a strong acid to have strong CB conjugated base, uh, weak acid, and we have a week conjugated face a strong acid.