tonydipiop8r6n0 tonydipiop8r6n0
  • 15-05-2018
  • Chemistry
contestada

If the ph of hc3h5o2 is 4.2 and the ka 1.34x10^-5, what is the equilibrium concentration

Respuesta :

ChemistryHelper2024
ChemistryHelper2024 ChemistryHelper2024
  • 24-05-2018
CH₃CH₂COOH + H₂O ↔  CH₃CH₂COO⁻ + H₃O⁺ 

pH = 0.5 pKa + 0.5 pCa
0.5 pCa = pH - 0.5 pKa
              = 4.2 - (0.5 * (-log 1.34 x 10⁻⁵)) = 1.76
pCa = 3.53
Ca = antilog - 3.52 = 3 x 10⁻⁴ 
where Ca is the acid concentration 
Answer Link

Otras preguntas

lowa and California have the same number of senators. true false
why should maths be compulsory​
Under the ________ leadership style, decision-making power is centralized in the leader. Leaders do not entertain any suggestions or initiatives from subordinat
What is the sum of 6 and it’s additive inverse
BRAINLY IF CORRECT (links will be reported) from the novel nothing but the truth In this section we have multiple quotes about truth, PHILIP MALLOY: You want th
Answer please y = -2x + 7
What is the area of thisirregular shape?.6 ftsquare feet3 ft8 ft16 ft​
The increase in volume of matter that occurs when matter is heated. a) Contraction b) Expansion c) kinetic energy d) Volume
What indications are there that the Indus Script is a language?
1. What is the volume of the figures pictured below?