a 0.100 M solution of weak acid HA ionizes 2.00%. What will be its pH after you add 90.0mL H2O into 10.0 mL of this solution at 25 degrees celsius?

A solution is prepared at 25 °C that is initially 0.15M in propanoic acid (HC₂H-CO₂), a weak acid with K=1.3 × 105, and 0.18M in potassium propanoate (KC₂H,CO₂). Calculate the pH of the solution. Round your answer to 2 decimal places. pH = 0 X S

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A solution is prepared at 25 °C that is initially 0.29M in chloroacetic acid (HCH,CICO,), a weak acid with K,=1.3 × 10 and 0.34M in sodium chloroacetate (NaCH,CICO,). Calculate the pH of the solution. Round your answer to 2 decimal places. pH = 0 ?

A buffer solution is made such that the initial concentrations of lactic acid (HC3H5O3) and the lactate ion (C3H­O­-) are 0.600 M and 0.620 M, respectively. What is the resulting pH if 300.0 mL of 0.100 M potassium hydroxide is added to 0.600 L of the buffer solution? (The Ka of HC3H5O3 is 1.4 x 10-4.) Answer not in scientific notation

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A solution contains 0.351 M HA (Ka = 1.13⋅10−51.13⋅10-5) and 0.744 M NaA.   What is the pH of this solution?   What is the pH of this solution after 0.186 mol of HCl are added to 1.00 L of this solution?   What is the pH of this solution after 0.372 mol of HCl are added to 1.00 L of this solution?

You have 1.5 liter of solution that is composed of 8.88 grams of NH3 and 11.33 grams of ammonium chloride mixed well. Kb for ammonia =1.8 x 10^-5 (A) is this a buffer solution? Why or why not? (B)if it is a buffer solution, what is the pH of this buffer solution? (C)how many mL of 1.50 M HCl can be added to this solution before the buffer is exhausted (d) how many mL of 1.5 M NaOH can be added to this solution before the buffer is exhausted?

A solution is prepared by dissolving 1.500 g of sodium acetate (CH3COONA) into 100.00 mL of a 0.150 M solution of acetic acid. The K, of acetic acid is 1.8 × 10. What is the pH of the solution? pH = %3D

A certain weak base has a Kp of 8.50 x 10-'. What concentration of this base will produce a pH of 10.24? concentration: