Multiple ChoiceTypical human stomach acid has a pH around 1–2. Approximately what is the hydronium ion concentration, [H3O+], for a pH of 1.5?1views
Multiple ChoiceOn-the-scalp hair lighteners are formulated to be alkaline to open the hair cuticle and promote oxidation. Which pH range best describes most on-the-scalp lighteners?1views
Multiple ChoiceOn the pH scale for aqueous solutions, what is the smallest possible pH value (theoretical, not limited by practical measurement)?1views