equilibrium concentration

Q: The CO2 we breathe reacts with water in our blood to form the weak acid H2CO3. What mole ratio of…

A: Given:Ka of H2CO3 is 4.4 ✕ 10−8

Q: pH

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Q: Calculate the pH of the resulting solution if 27.0 mL of 0.270 M HCl(aq) is added to 32.0 mL of…

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Q: Calculate the pH of a 0.10 mol L-1 solution of barium hydroxide, Ba(OH)2.

A: Given, concentration of barium hydroxide = 0.10 mol/Lwe know that barium hydroxide is a strong base…

Q: 1) A mixture of 5.1 x 10-3 moles of HSO4 (hydrogen sulfate) is dissolved in 25 mL of water. At…

A: The question is based on the concept of molarity.molarity is a method of expressing concentration of…

Q: What is a monoprotic acid ? What is the stoichiometric ratio of its reaction with NaOH solution?

A: Acid is a substance which is related by the transfer of hydrogen ion.

Q: What mass (in g) of potassium fluoride should be added to 0.50 Lof 0.255-M HF(aq) at 25 °C to give a…

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Q: Calculate the change in pH when 7.00 mL of 0.100 M HCI(aq) is added to 100.0 mL of a buffer solution…

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Q: Calculate the pH of 0.80 M HIO(aq) given that its Ka = 2.3×10-11.

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Q: Calculate the ph of a solution prepared by dissolving 1.75g of sodium acetate, CH3COONa, in 78.0 mL…

A: We have to first calculate the moles of sodium acetate and acetic acid. and we have to use…

Q: Given the following information: hypochlorous acid = HCIO hydrocyanic acid = HCN HCIO is a stronger…

A: All the hints are already given in the question.  HClO is a strong acid than HCN. So HClO can easily…

Q: Suppose 0.0013 mol HA and 0.0013 mol A− are present in 170. mL solution and the pH is 4.00. What is…

A: We have to calculate the acid dissociation constant value.

Q: Say 0.000066 mole of a weak diprotic acid 0.01 M H2A dissociates.  Calculate the ionization…

A: We find the moles of H+, A-2, and H2A left at equilibrium. Then by substituting the values at the…

Q: What is the pH of a solution made by mixing 40.0 mL of 0.035 M KOH (aq) and 91.3 mL of 0.031 M…

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Q: An analytical chemist is titrating 205.8 mL of a 0.09100M solution of propylamine (C,H,NH,) with a…

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Q: Please answer these questions on your Page 8 (a) 1 ) HA(aq) is a weak acid with a dissociation…

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Q: What is the pH of the resulting solution

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Q: n each of the following questions, assume that there is no volume change when HCl is added to water…

A: ANSWER : (a) Concentration of HCl = Concentration H+ = moles of HCl / Volume of solution = 0.091…

Q: (b) Barbituric acid, HC.HN.O. (aq), is a weak acid with a Ka of 9.8 x 10 Calculate the [H+], pH and…

A: Given: barbituric acid with Ka=9.8×10-5 To find: [H+],pH and pOH

Q: In the laboratory, a general chemistry student measured the pH of a 0.591 M aqueous solution of…

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Q: At 25°C, 50.0 mL of 0.50 M NaOH(aq) is added to a 250 mL aqueous solution containing 0.30 M NH3 and…

A: We have to calculate the pH of the solution

Q: a 0.342 M solution of H2NNH2 is allowed to come at equilibrium. at equilibrium the ph is measured to…

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Q: Given that Ka’s for hydrofluoric acid (HF) and boric acid (H3BO3) are 6.3 × 10^–4and 5.4 × 10^–10,…

A: a) Given: Volume of HF=50 mL Concentration of HF= 0.2 M Concentration of NaH2BO3= 0.5 M Volume of…

Q: Calculate the pH of the resulting solution if 25.0 mL of 0.250 M HCl(aq) is added to15.0 mL of 0.350…

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Q: A solution is prepared at 25 °C that is initially 0.051M in benzoic acid (HC,H,CO,), a weak acid…

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