KA Calculations

Acetic Acid is a weak monoprotic acid. It's concentration is 0.20M and it's equilibrium concentration of H+ ions is 0.0019M. Calculate it's Ka value.

• 1.8x10 -5

• 1.8x10 -15

• .0019

• 5.56x10 -10

Uric Acid is a weak monoprotic acid. It's initial concentration is 0.110M and it's equilibrium concentration of H+ ions is 0.034M. Calculate the final concentration of Uric acid.

• .011

• .034

• .076

• 1.47

True or False? The stronger the acid, the larger the value of the K_a.

• True

• False

Select ALL of the strong acids.

• HClO₄

• HNO₂

• HF

• HI

• HNO₃

Which represents an acid with the smallest Ka value?

• HX

• HY

• HZ

Tags

NGSS.HS-PS1-1

Which acid would have the smallest pH value?

• HX

• HY

• HZ

Tags

NGSS.HS-PS1-2

Gallic Acid is a weak monoprotic acid. It's initial concentration is 0.28 mol/L and it's equilibrium constant is 3.94 x 10^-5. Calculate the solution's pH value.

• 3.9x10^-5

• 4.96

• 2.48

• 0.28