Titrations

If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl? (record you answer with the correct unit)

• 0.043 M

• 0.034 M

• 0.065 M

• 0.77 M

If it takes 25 mL of 0.05 M HCl to neutralize 345 mL of NaOH solution, what is the concentration of the NaOH solution?

• 0.0036 M NaOH

• 0.00125 M NaOH

• 3.62 M NaOH

• 1.25 M NaOH

What is the endpoint of a titration

• Where the amount of acid and base are balanced according to the equation
• Where there is no base
• At the end

• 0.675 M

• 0.910 M

• 1.05 M

• 1.20 M

The pH of a solution is 8.43. What is the [H₃O⁺]concentration?

• 3.7 x 10 ^-9

• 1.0 x 10^-8.43

• 2.7 x 10^-6

• 1.0 x 10^-14

If the [OH^-] of a solution is 2.7 x 10^-4 M, the pOH of the solution is

• 10.44

• 1.00

• 3.57

• -4.43

If the [H₃O⁺] of a solution is 9.3 x 10^-3 M, the pOH of the solution will be

• 2.03

• 1.02

• 11.97

• 12.98

What is the [OH-] if the [H+] is 1.0 x 10^-3M?

• 1.0 x 10^-3 M

• 1.0 x 10^-14 M

• 6.02 x 10^-23 M

• 1.0 x 10^-11 M

If a solution has a [OH^-] of 3.42 x 10^-12M what is the [H⁺]?

• 2.92 x 10^-3M 
• 3.42 x 10²M 
• 2.92 x 10^-2M 
• 3.42 x 10^-5M 

What is the reading on this burette?

• 31.5

• 30.5

• 31.50

• 30.50