pH Answers

Identify each of these substances as acidic, basic, or neutral. pure water, pH = 7.0 lake water, pH = 6.5 baking soda solution, pH = 9 soapy water, pH = 12

Identify each of these substances as acidic, basic, or neutral. rainwater, pOH = 8.5 cola, pOH = 11 tomato juice, pOH = 10 liquid drain cleaner, pOH = 0

Which of these statements best explains why pure water has a pH of 7?

Select the most acidic solution from these options.

What is the pH of a KOH solution that has [H+] = 1.87 × 10–13 M? Round to the nearest tenth. What is the pOH of a KOH solution that has [OH–] = 5.81 ×10–3M? Round to the nearest hundredth. What is the pH of a solution of NaCl that has [H+] = 1.00 × 10–7 M? Round to the nearest hundredth.

What is the hydronium ion concentration in a solution of HCl that has a pH of 4.65? Round to the nearest hundredth. × 10n M n = What is the hydroxide ion concentration in a solution of NH3 with a pOH of 4.65? Round to the nearest hundredth. × 10n M n =

Which of these solutions has the highest concentration of H+?

[H3O+] = 3.16 × 10–4 M

[OH–] = 5.62 × 10–5 M

cola, pOH = 11

Select the most basic (alkaline) solution from these options.