Write the dissociation equation for c2h2o4 (acid or base), write the expression for the constant equilibrium according to the law of mass action for c2h2o4, from pKa calculate the value of Ka and Kb for c2h2o4

Q: 8. For phosphoric acid, H3PO4, the kai expression is:

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Q: The pka of ethanoic acid, (CH3COOH) (0.1 M), is 2.6 at 25°C. Write the balanced chemical equation…

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Q: Phosphoric acid dissociates to form phosphate anion and hydronium cation. The K, for this reaction…

A: Ka is the acid dissociation constant which may be expressed as the ratio of the multiplication of…

Q: The acid-dissociation constant for chlorous acid 1HClO22 is 1.1 * 10-2. Calculate the concentrations…

A: Given: Initial Concentration of HClO2 = 0.0125 M

Q: Find the concentration of A¯ for the generic acid dissociation reaction: HA(aq) + H20m 2 A aq) +…

A: Dissociation reaction of HA is: HAaq+H2Ol⇌A(aq)-+H3Oaq+ Dissociation constant Ka for this reaction…

Q: . Using your graph, determine the pKa for acetic acid. Use this to calculate the value of the…

A: The point may be the equivalence point if the acid concentration and the base concentration are…

Q: For an equilibrium constant, write an expression for the dissociation of acetic acid in water. What…

A: Welcome to bartleby !

Q: what do you predict the pH of vinegar tobe?

A: pH = -log[H+]  or  pH = -log[H3O+]

Q: Write the expression for the K₂ for each of the following reactions H₂CO3 + H₂O H3O+¹ + HCO3-¹ [ ][…

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Q: The Ksp value for magnesium arsenate [Mg3(AsO4)2] is 2.00 X 10-20.  Suppose a chemist mixed 33.23 mg…

A: 3Mg2+ + 2 AsO43-  ------> [Mg3(AsO4)2] Ksp = 2.00 X 10-20 Mg2+(aq)  = 33.23 mg =  33.23  * 10-3 g…

Q: Write the Kgp expression for the sparingly soluble compound zinc phosphate, Zn3(PO4)2- Ksp If either…

A: Write Ksp expression for Zn3(PO4)2 ?

Q: Which way will the equilibrium shift if you only had 22.67 grams of l'ag) assuming there is an…

A: Two reactants are in excess and mass of I- = 22.67 g.

Q: Rewrite the Ka expressions as log expressions for the following chemical reactions   H3PO4 (aq) +…

A: Given,  H3PO4 (aq) + H2O (l) = H2PO4- (aq) + H3O+ (aq); Ka1 for phosphoric acid H2PO4-(aq) + H2O (l)…

Q: The value of Ka for benzoic acid , CgH3COOH , is 6.30×10° . Write the equation for the reaction that…

A: Benzoic acid = C6H5COOH  Ka = 6.30 × 10^-5

Q: Write the Ka equilibrium expression for formic acid and look up its value.

A: Chemical equilibrium comes into account when the rate of forward reaction becomes equal to the rate…

Q: Complete the following for CeHsNH2. a. Write the base dissociation reaction. b. Write the Kb…

A: Given: C6H5NH2 To find: a) base dissociation Reaction b) Kb expression Solution: Base dissociation…

Q: Benzoic acid, ,ionises in water to produce benzoate, ,and hydronium, H3O+ ions. The acid ionisation…

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Q: Deuterium oxide (D2O, where D is deuterium, thehydrogen-2 isotope) has an ion-product constant, Kw,…

A: Since the dissociation reaction of D2O is given by  D2O (l) ------> D+ (aq) + OD- (aq) Hence the…

Q: nitrous acid (HNO2) is 4.6 × 10-4. Calculate the equilibrium constant of the reaction of HCIO2 with…

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Q: For H2SO4, Ka,1 is very large and pka,2 = 1.96 at 25 °C. For 0.00165 mol L-1 H2SO4(aq) at 25 °C,…

A: The solution is as follows:

Q: -) Production of a diprotic acid H2XO4 involves 3 steps as shown below: 1. X(s) + O2(g)= XO2 (g) AH=…

A: Please have a look on the solution:

Q: The acid-dissociation constant for benzoic acid 1C6H5COOH2 is 6.3 * 10-5. Calculate the equilibrium…

A: Dissociaton of benzoic acid                               C6H5COOH  ⇌  C6H5COO-   +   H+ Initial…

Q: Reaction HA(aq) + H20(1) H;O°(aq) + A (aq) Initial conc. / M: 0.0900 Change in conc. at equilibrium…

A: pH  - It is known as the negative logarithm of the hydronium ion concentration of a solution. Ka -…

Q: Formic acid dissociates reversibly according to the following equation. HCOOH(aq) ⇌ HCOO-(aq) +…

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

Q: b. 0.100 M methylamine (CH3NH2) (Kb = 4.35 x 10-4)

A: The methylamine is a weak base. the given concentration is 0.1 M. The dissociation constant…

Q: i) Provide curly arrows describing both the forward and backward reactions for the ionisation of…

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Q: Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the…

A: Given that, Hydrogen cyanide is weak acid and it will reacts with water.

Q: According to the Arrhenius equation, what does the slope of the line on this graph represent? In(k)…

A: here we are required to slope of the line on the graph represent.

Q: NH3(aq)+H2O(l) ⇄ NH+4(aq)+OH−(aq) Kb=1.8×10−5 at  25°C Initial [NH3]          Equilibrium [NH+4]…

A: Given reaction is : NH3(aq)  +  H2O(l)  ⇌  NH4+(aq)  +  OH−(aq) Kb=1.8×10−5 at  25°C

Q: Construct the expression for Kb for the weak base, N2H4. N2H4(aq) + H2O(10) = OH"(aq) + N2H;*(aq) 1…

A: Given reaction, N2H4(aq) + H2O(l)  ⇌ OH-(aq) + N2H5+(aq)

Q: Suppose a 0.20 Maqueous solution of oxalic acid (H₂C₂O4) is prepared. Calculate the equilibrium…

A: Given data : Concentration = 0.20 M PKa1 = 1.25  ka1 = 10-pka1 = 10-1.25 = 5.623×10-2 Pka2 = 3.81…

Q: The pKb for the propanoate ion, CH3CH2CO3 , is 9.126. What is the value of Ka (NOT the pKa) for…

A: Given-> pKb of CH3CH2COO- = 9.126

Q: 2. The popular antacid, Milk of Magnesia, is a suspension of magnesium hydroxide, Mg(OH)2. In water,…

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Q: The acid dissociation constant K, of hydrocyanic acid (HCN) is 6.2 x 10 -10 Calculate the pH of a…

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Q: A 9.5x102 M solution of a monoprotic acid has a percent dissociation of 0.56%. Part A Determine the…

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Q: Find the pH of the solution containing 0.0004 M H3PO4 without neglecting it. (Ka1= 7x10-3, Ka2=…

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Q: equilibrium concentration

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Q: The equalibrium constant for the following equation   HC2H3O2(aq)     +       H2O(l)        ⇌…

A: The reaction taking place is given as, => HC2H3O2 (aq) + H2O ⇌ H3O+ (aq) + C2H3O2- (aq)

Q: Write the dissociation expression for the Ka of H2AsO

A: It is a poly protic acid  1. First ionisation of H3ASO4 is s            H3AsO4   + H2O    ⇌…

Q: The acid dissociation constant K of acetic acid (HCH,CO,)is 1.8 × 10¯°. -5 a Calculate the pH of a…

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Q: - 10 The acid dissociation constant K, of boric acid (H,BO, is 5.8 × 10 °. Calculate the pH of a…

A: To find pH

Q: At 25oC, Ka for acid dissociation of aspiring (C9H8O4) is 3.0 x 10-4. Calculate ΔGo for the reaction…

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Q: Determine the pOH of a 0.200 M solution of a weak acid, HA, that is 3.0% dissociated at equilibrium.…

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Q: Write the equilibrium expression for Ca2+ + 2Cl- ⇌ CaCl2 with activity coefficients.

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Q: Write the acid dissociation constant expression (Ka ) for the dissociation of HCN.

A: Given  Acid  = HCN  Dissociation Constant Expression = ?

Q: Write the Kb equilibrium expression for formate ion, HCO2-?

A: HCOO(aq)-  + H(aq)+  ⇌ HCOOH(aq)     Kb = [HCOOH][HCOO-][H+]

Q: Five moles of an acid HA was dissolved in 5.0 L of solution. After the system had come to…

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: Consider the following mixtures of chemicals. Complete the table by writing balanced equations and…

A: Sparingly soluble salts, i.e. the salts which do not completely solublize in water, maintain…

Q: Write the equilibrium-constant expressions and obtain numerical values for cach constant in a. the…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.