Equilibrium questions
1777 published questions with worked solutions.
- The pH of 0.01 M NaOH(aq) solution will be
- The pH of a mixture when a 50 mL solution pH = 1 is mixed with a 50 mL of pH = 2 is
- Assuming complete ionisation, the pH of 0.1 M HCl is 1. The molarity of H_2SO_4 with the same pH is
- How many litres of water must be added to 1 L of an aqueous solution with a pH of 1 to create an aqueous solution of pH of 2?
- If 50 mL of 0.1 HBr is mixed with 50 mL 0.2 M NaOH, find pH of resulting mixture
- A weak base BOH is titrated with a strong acid HA. When 10 mL of HA is added, pH is found to be 9.00 and when 25 mL is added, pH...
- Following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations I. 60 mL M 10 HCl + 40...
- The p K_b for fluoride ion at 25 ^ is 10.83, the ionisation constant of hydrofluoric acid at this temperature is
- The pH of 0.005 M codeine ( C_ 18 H_ 21 NO_3 ) solution is 9.95. Its p K_b value is
- The p K_a of acetic acid and p K_b of ammonium hydroxide are 4.76 and 4.75 respectively. Calculate the pH of ammonium acetate...
- pH of a salt solution of weak acid ( p K_a = 4) and weak base ( p K_b = 5) at 25 ^ is
- A 100 mL, 0.1 M solution of ammonium acetate is diluted by adding 100 mL of water. The pH of the resulting solution will be ( p...
- Which of the following combinations of CH_3COOH + NaOH would result in the formation of acidic buffer?
- The pH of a buffer solution will be equal to the p K_a of acid, only if
- pH of the buffer solution formed by mixing acetic acid and sodium acetate taken in equimolar concentration will be [Given: p K_a...
- pH of a buffer prepared by adding 10 mL of 0.10 M acetic acid to 20 mL of 0.1 M sodium acetate is equal to ( p K_a of CH_3COOH =...
- 50 mL of 0.1 M NaOH is added to 75 mL of 0.1 M NH_4Cl to make a basic buffer. If p K_a of NH_4^+ is 9.26, then the pH of solution...
- The p K_a of HCN is 9.30. The pH of a solution prepared by mixing 2.5 moles of KCN and 2.5 moles of HCN in water and making up...
- A buffer solution is prepared in which the conc. of NH_3 is 0.30 M and the concentration of NH_4^+ is 0.20 M. If the equilibrium...
- One litre of a buffer solution containing 0.01 M NH_4Cl and 0.1 M NH_4OH having p K_b of 5 has pH of
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