An unknown solution has a ph of 6.8. which of these chemicals is likely to increase the ph the most when added to the solution? a. naoh b. hcl c. nh3 d. hno3

A. NaOH.

Explanation:

The pH  of the solution = 6.8.

So, NaOH and NH₃ "bases" will increase the pH of the solution.

while, HCl and HNO₃ "acids" will increase the acidity of the solution, thus pH will decrease.

But, NaOH will increase the pH of the solution the most because it is dissociates completely to OH⁻ , while NH₃ is weakly ionized "does not dissociate completely".

So, NaOH will increase the pH the most when added to the solution.

NaOH

Explanation:

adding or remove a gaseous reactant or product changes the concentrations. if the concentration of reactant or product is increased, the system will shift away from the side in which concentration was increased (i.e. if the concentration of reactants is increased, the system will shift toward the products. if more products are added, the system will shift to form more reactants). conversely, if the concentration of reactant or product is decreased, the system will shift toward the side in which concentration was decreased (i.e. if reactants are removed, the system will shift to form more reactants. if the concentration of products is decreased, the equilibrium will shift toward the products).

explanation:

where's the diagram?