Acids & Bases: pH

If [H⁺] = 1.00 x 10^-10 M, then the pH is ​ (a)   and the pOH is ​ (b)  

• 10
• 4
• 3
• 5
• 6
• 7
• 8
• 9
• 11
• 12

What is the pH and pOH of a solution of baking soda, NaHCO₃, with an [OH^-] of 3.75 x 10^-6 M?

• pH = 5.43

  pOH = 8.57

• pH = 2.67 x 10^-9

  pOH = 3.75 x 10^-6

• pH = 8.57

  pOH = 5.43

• pH = 7.50

  pOH = 6.50

Apple juice is a(n)​ (a)   .

• acid
• base
• neutral

A solution formed by dissolving an antacid tablet has a pH of 9.18, what's the [H+]?

• 6.61 x 10^-10 M

• 1.51 x 10^-5 M

• 1.51 x 10⁵ M

• 6.61 x 10¹⁰ M