1. Calculate the pH at different points as 25.0 mL of 0.20 M nitrous acid is titrated with 0.15 M sodium hydroxide. Ka (HNO2) =4.5x10-4 a) Initial pH of the weak acid solution b) Volume of titrant at the equivalence point c) pH at the equivalence point

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Q: The pl value at end point of the titration of ( 10ml of 0.1N KI X 0.1N AGNO3) is 8 if ( solubility…

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Q: 2 consider the titration of 25.00ml of 0.08230M KI with 0.05110M AgNO3. Calculate pAg+ when 39.00mL…

A: Ans 1st convert ml to L  25 ml = 0.025L  and 39 ml= 0.039 L

Q: Two 28.0 mLmL samples, one 0.100 M HCl and the other 0.100 M HF, were titrated with 0.200 M KOH.…

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Q: titrates a 35.00 mL sample of 0.0100 M sodium hypochlorite (NaClO), a salt containing the conjugate…

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Q: 2. A student titrated 25.0 mL of a buffer with 0.116 M HCI. The observed titration curve is shown…

A: The buffer must be a basic buffer, containing a weak base BOH and its salt BCl.

Q: 1. A 25.0 mL aliquot of 0.02 M HCNO (weak acid) is titrated with 0.15 M NaOH (strong base).…

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Q: 12.0 1 10.0 pH of solution in flask 8.0 Equivalence Point 6.0 4.0 2.0 5 10 15 20 25 30 35 40 45 mL…

A: The volume of NaOH at equivalence point = 25 mL Volume of acid =  50 mL Concentration of NaOH =…

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Q: Which statement is wrong regarding the two titration curves (A) and (B) shown below? 12 12 (B) (A)…

A: Titrand : Titrand is the analyte or sample. Titrant : Titrant is the reagent solution that is added…

Q: Consider the titration of 30.0 mL of 0.20 M nitrous acid by adding 0.0500 M aqueous ammonia to it.…

A: Given: Volume of Nitrous acid=30 mL Concentration of Nitrous acid=0.20 M

Q: 1) Calculate fluoride, CaF2, has a solubility product of 3.2*10-11. This means you can titrate a…

A: As per the rule only the first three subparts can be answered

Q: A student has 55.0 mL of 1.2 M formic acid solution (Ka = 1.8×10^-4) and will titrate with a strong…

A: Given, The volume of formic acid, V1=55.0 mL Molarity of  formic acid, M1=1.2 M Molarity of KOH,…

Q: Consider the precipitation of anion X with metal cation M. IM + mX = M,X (s) K, = [M*FIX"" The…

A: Argentometry is a technique that is used in analytical chemistry in quantitative analysis. It is…

Q: A 50.0 mL solution of 0.186 M sulfurous acid (H,SO, ) is titrated with 0.186 M NaOH. The pK values…

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Q: A 0.1375 M solution of KOH is used to titrate 35.00 mL of 0.257 M HBr. ( Assume that volumes are…

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Q: Calculate the pH at different points as 25.0 mL of 0.20 M nitrous acid is titrated with 0.15 M…

A: Ans - Molarity of HNO2(nitrous acid)= 0.20 M Volume of HNO2=2.5 ml Ka(HNO2)=4.5×10-4 (a) HNO2…

Q: 27.) A weak base and a weak acid are titrated together to the equivalence point. What is true for a…

A: Let us discuss the titration of weak acid and weak base.

Q: 2. 100.0 mL of a 0.0875 M weak base solution is titrated with 0.250 M HCI. The pH after the addition…

A: Given,  Concentration of weak base (say B) = 0.0875 M  Volume of B in mL = 100.0 mL  Concentration…

Q: 4. The slightly soluble salt AB2 ionizes as shown. (1) AB, (s) = A²* (aq.) + 2B° (aq.) When a…

A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost…

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A: 6. If Kb of the base is smaller it is more easier to determine the equivalence point in the…

Q: 0.0520

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Q: 3. Consider the titration of 100.0 mL of 0.200 M H2NNH2 (Kb = 3.0 x 10) by 0.100 M HNO3. Calculate…

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Q: . A 38.1 mL sample of a 0.391 M aqueous hydrocyanic acid solution is titrated with a 0.475 M aqueous…

A: pH is used to determine the concentration of hydronium ion.

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Q: A buffer was prepared by adding 7.50 moles K2HPO4 and 9.60 mol KH2PO4 to a 1.0 L solution. Ka2 = 6.2…

A: the mentioned buffer is an acidic where KH2PO4 is the weak acid and K2HPO4 is the salt component.

Q: 4. A 30.0 mL sample of 0.135 M aqueous benzoic acid is titrated with 0.115 M aqueous potassium…

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Q: Consider the titration of 35.0 mL of 0.150 mol/L benzoic acid (Ka = 6. 3 × 10 –5 ) with 0.110 mol/L…

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A: The equivalence point is a point at which the equivalent of an acid becomes equal to the equivalent…

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Q: A 50.00-mL solution of 0.0400  M  nitrous acid ( K a = 4.5  × 10 –4) is titrated with 20.00 mL of a…

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Q: TRUE or FALSE 8. Blood uses a buffer bicarbonate ions and carbonic acid. 9. PbSO4 will precipitate…

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A: Acidic buffer :-  A mixture of weak acid and its salt with strong base is known as acidic buffer…

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100M HNO3 after…

A: The pH of the solution is the power of protons in the solution. While pOH is related to the basicity…

Q: Calculate the pH at different points as 25.0 mL of 0.20 M nitrous acid is titrated with 0.15 M…

A: The balanced equation is     HNO2 + NaOH -----------> NaNO2 + H2O Number of moles of HNO2 = M*V =…

Q: Please answer all. A 100 mL solution of 0.10 M weak base NH3 (Kb = 1.8 10-5) is titrated with 1.0 M…

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Q: AlpQLSfDoHSTx3St-UM4bnqMxleBdEx_zV4qcU5T5gr2maeyKTyW5g/formResponse A solution of 0.25 mol HF…

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Q: A solution of 25.0 mL 0.200 M CH3COOH solution is titrated with 0.200 M KOH solution. a. Calculate…

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Q: and acetic acid buffer solution was prepared by mixing sodium acetate (0.3 mol/liter), (0.3…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.