Each statement refers to its own solution; which of thefollowing won’t affect the pH value of that given solution?
Adding 100 mL of deionized H2O to a solution with pHof 2.5
| Heating up the solution from room temperature to 50oC |
| Preparing the solution with tap water instead of distilled ordeionized water |
| Adding 1 gram of NaOH solid to a 100 mL of 1 mol/L NaOHsolution |
| Mixing 25 mL of a 0.5 mol/L HCl solution with 500 mL of a 0.5mol/L HCl solution |