pH calculations (#5)

Limes have a [H₃O⁺] of 1.3 x 10^-2 mol/L.  Their pOH is

• 1.89
• 12.11
• 1.03
• 12.97

The hydroxide ion concentration in a soft drink is 5.00 x 10^-12 M.  Find the pH.

• 0.002
• 2.7
• 11.3
• 14

The [H⁺] is orange juice is
0.00020 M.  FInd the pH of orange juice.

• 1
• 3.7
• 10.3
• 13

What is the [H+] if the pH is 4.0?

• 1.0 x 10-10  M
• 1.0 x 10-4  M
• 1.0 x 10-14  M
• 1.0 x 10-7  M

What is the pOH of a solution that has a pH of 2?

• 10
• 12
• 14
• 1

If the pH of a solution is 5.6 the pOH is

• 6.5
• 12.4
• 8.4
• 5.6

If the [OH-] of a solution is 2.7 x 10^-4 mol/L the pOH of the solution is

• 10.44
• 3.56
• 1.00
• -4.43

If the [H+] of a solution is 6.8 x 10^-9 mol/L the pH is

• 8.17
• 8.2
• 9.99
• 8.62

What is the pOH of a solution where the [OH-] = 7.3 x 10^-2 M?

• -1.14

• 2.0

• 1.14

• 7.3

Which particle contributes the negative charge to the atom?

• proton
• electron
• neutron
• nucleus