If 100.00 mL of a water sample required 23.24 mL of EDTA (ethylenediaminetetraacetic acid) of 0.02 M to titrate what is the molarity of Ca2+ in this water sample?

Q: Use the titration curve to calculate the pKa of HA at the equivalence point.  What value did you…

A: pKa value is the negative logarithm of dissociation constant as follows: pKa = -log(Ka)

Q: 1. How many moles of Ca2+ and OH- ions are produced for every one mole of Ca(OH)2 that dissolves in…

A: Since there are multiple questions, we will answer only the first questions (no. 1). If you require…

Q: In argentimetric titrations; wh 1. oIn Mohr's method, the indi 2. oIn Mohr's method, neutral 3. O…

A: Statement 1- In Mohr's method, the indicator is chromate ion which forms a red-brown complex with…

Q: 7. 15 mL of a 0.105 M solution of NaOH is titrated with 0.116 M of HCI solution. 5.0 mL of acid is…

A: Given: The volume of 0.116 M HCl solution is 5.0 mL. The volume of 0.105 M NaOH solution is 7.15 mL.

Q: 1. A 0.0450 M Ca(X)₂ has a pH of 11.079. Ca(X)₂ is composed of a Ca2+ cation and an unknown anion…

A:

Q: 12. A 25.0 mL solution of quinine was titrated with 1.00 M hydrochloric acid, HCI. It was found that…

A: Given: Moles of quinine = 0.125 molConcentration of HCl = 1.00 MVolume of HCl = 50.00 mLpKb = 5.10…

Q: The pKa of hypochlorous acid is 7.530. A 52.0 mL solution of 0.114 M sodium hypochlorite (NaOCl) is…

A:

Q: The pKa of hypochlorous acid is 7.530. A 59.0 mL solution of 0.133 M sodium hypochlorite (NaOCI) is…

A: Given :- The pka of hypochlorous acid is 7.530. A 59.0 mL solution of 0.133 M sodium hypochlorite…

Q: How many mL of 1.25 M H3PO4 are required to reach the equivalence point when titrated with 45.0 mL…

A: The balanced reaction taking place is given as, => 2 H3PO4 + 3 Ca(OH)2 --------> 6 HOH +…

Q: Monosodium arsenate, NaH,AsO, can act as an acid or a base in water. A 10.00 mL of 0.5000 M NaH,AsO,…

A: Arsenic acid is a triprotic acid, meaning that it will releases 3 H+ ions on dissociation. However,…

Q: 250 ml volume of a mixture of 0.8g of NaHCO3 and 0.2g of NaOH in water. Take 50 ml of this mixture…

A: Mole when normality is given = Normality x volume  As base we have NaOH and NaHCO3 Mole of base =…

Q: (9) What is the pH at the equivalence point in the titration of 25.00 mL of a 0.300 M solution of…

A: The quantitative data for H+ ions abundance is obtained by measurement of any certain solution's pH…

Q: A solution (50.00 mL) of citric acid (a weak acid with concentration 0.0950 M and Ka = 1.8 × 10−5)…

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Q: Calculate the molar concentration of a dilute Ba(OH)₂ solution if titration of 0.4512 g of primary…

A:

Q: Fill in the blanks: Write C if Statements a and b are correct H if both statements are incorrect E…

A: A solution is a heterogeneous mixture of solute and solvent. The solute is the substance that…

Q: Calculate the pH of a 50.00 mL of 0.2000 M ammonia (Ka = 5.7 x 1010) solution after addition of…

A: We have to calculate the pH of given solution.

Q: What Is the pH when titrating 27.0 mL of 0.120 M HOCI with 38.0 mL of 0.0900 M NAOH? Ka(HOCI) = 3.0…

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Q: Calculate the buffer capacity of a buffer solution prepared by mixing 0.215M sodium acetate and…

A: Van Slyke developed an equation for determining buffer capacity.  Buffer capacity is defined by the…

Q: 25.00 mL of 0.109 M benzoic acid (Ka = 6.5 x 10-5 ) is titrated with 0.134 M sodium hydroxide. What…

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Q: c- What should be the pH of media to determine Ca? quantitatively in the presence of Cu by a…

A: Introduction:         Titration is the process to find the unknown concentration of the solution…

Q: The pH at the half-equivalence point of a weak acid-strong base titration is 5.23. What is the pKa…

A: Consider, a titration of Weak monoprotic acid (HA) with the strong base (OH-). As, we know that, at…

Q: Calculate the pH at the equivalence point for the titration of 0.20 M HCl with 0.20 M NH3 (Kb = 1.8…

A: Given: [NH3] = 0.20 M [HCl] = 0.20 M Kb(NH3) = 1.8 × 10-5 At equivalence point concentration of NH3…

Q: How many mL of 1.25 M H3PO4 are required to reach the equivalence point when titrated with 45.0 mL…

A:

Q: A 25.0 mL sample of a saturated Ca(OH)2Ca(OH)X2 solution is titrated with 0.026 M HCl and the…

A: By using law of equivalent, M1V1=M2V2 if dibasic or diacidic is used, then multiply by them.

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: Balanced chemical equation is Ca(OH)2 + 2HNO3    Ca(NO3)2 + 2H2O   According to balanced reaction 1…

Q: The weak base propylamine (CH3(CH2)2NH2) has a Kb = 4.7 x10-4.  It can be used in some…

A: Titration of weak base propylamine and strong acid HCl results into salt formation.

Q: A student titrates 20.0 mL of 1.84 M HCl with a weak base (Kb = 2.33 x 10−6). The weak base and HCl…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: The pKa of lactic acid is 3.86. You have a mixture of lactic acid and sodium lactate, where the…

A:

Q: Calculate the pH at the equivalence point in the titration of 30.0 mL of 0.25 M CH3COOH with 0.55 M…

A:

Q: Calculate the pH at the equivalence point for the titration of 3.175 M B: (a weak base with pKb =…

A: BOH        +      HCl        →        BCl + H2Oweak base       Strong AcidMoalrity of Acid = 3.175…

Q: Hi, I need help

A: The reaction taking place is,

Q: A 10.0-mL sample of 0.200 M hydrocyanic acid (HCN) is titrated with 0.0998 M NaOH. What is the pH at…

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

Q: A 50.00 mL sample of ascorbic acid (H2C6H606) is titrated with 0.1200 M KOH. The second…

A: Here is your answer...... This curve is just for illustration of how titration takes place of the…

Q: Alkalimetric titrant can be: KOH solution; H2SO4 solution; NH,OH solution; CH;COOH solution

A: Alkalimetric titration are used to determine the quality of a base in a solution

Q: What is the pH at the equivalence point in the titration of 100.0 mL of 0.0500 M HOCl (Ka=3.5×10−8)…

A:

Q: Consider the following: HNO2 + NaOH => H20 + NaNO2 50.0 mL of 0.200 M nitrous acid (HNO2…

A: The given chemical reaction is: HNO2 + NaOH → H2O + NaNO2 The given information is: Volume of…

Q: Prepare 1.0 L of 0.1 M citrate buffer, pH 4.95, from crystalline citric acid (FW 210) and 1.0 M…

A: Given: Volume of citrate buffer to be prepared =  1L Molarity of citrate buffer = 0.1 M

Q: 1. A 0.0250 M Ca(X)₂ has a pH of 8.049. Ca(X)₂ is composed of a Ca²+ cation and an unknown anion X,…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: the PH of the acid before any base solution is added

A:

Q: 63.0 mL of Ca(OH)2 solution was titrated with 21.5 mL of 0.467 MHNO3. Determine the molarity of the…

A: Balanced reaction is - CaOH2     +    2HNO3     →      CaNO32      +      2H2O Here given--- Volume…

Q: What is the pH at the equivalence point in the titration of 100.0 mL of 0.0500 M HOCl (Ka=3.5e−8)…

A: Solution : pH       pH is a quantitative measure for the acidity or basicity of the solution. This…

Q: Titrate 50.0 ml 0.1 M HCN (Ka = 6.2 x 10 10) with 0.10 M NAOH. Calculate the pH at the half-way or…

A: The balanced chemical equation is  HCN + NaOH ---> HCN + H2O  no of mmol of  HCN = 50*0.1 = 5.0…

Q: Calculate the titration curve for the titration of 50.0 mL of 0.0500 M AgNO3 with 0.100 M NaCl 1) as…

A: Millimoles of Ag+=Volume of AgNO3×Molar concentration of AgNO3=50.0 mL×0.0500 M=2.500 mmol

Q: of 8.000 x 10¬3 M EDTA for titration. Calculate the hardness in terms of parts per million calcium…

A: Solution :

Q: A 25 ml of an HCIO4 solution was titrated with 0.1032 M NaOH solution, 28.06 ml was added in excess,…

A: When the concentration of the hydrogen ion (H+) is increased in an aqueous solution by a substance,…

Q: A 0.0750 g sample of an unknown weak monoprotic acid (HA) was dissolved in 25.0 mL of water and…

A: Given: weight of acid w = 0.0750 g molarity of Ca(OH)2 = 0.0125 M volume of Ca(OH)2 at equivalence…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: Given , solution of Ca(OH)2 & HNO3, the reaction is represented as :Ca(OH)2+2HNO3→Ca(NO3)2+2H2O…

Q: Titration of 30.00 mL of 0.02502 M Na2C2O4 required 34.75 mL of a potassium permanganate solution.…

A:

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.