If the equilibrium constant for A + B  C is 0.180, what is the equilibrium constant for 2C  2A + 2B ?

Q: 4. Calculate the pH of a salt solution of NH,CI with molar concentration 0.1 M (Kh = 5.71 x 101")

A: Given, The molarity of NH4Cl = 0.1M            Kh = 5.71 × 10-11

Q: A sample of potassium acetate, KCH3CO2 (M=98), of mass 4.9 g is used to prepare 500 ml of solution.…

A: Consider the given information is as follows; Mass of KCH3CO2 = 4.9 g Volume of solution = 500 mL =…

Q: Calculate the pH of a 0.23 M sodium formate solution (HCOONA). Kp for HCOO = 5.9 x 10-11

A: Given that,    Concentration of HCOONa solution = 0.23 M   Kb for HCOO-  = 5.9×10-11  Since, pKb =…

Q: Determine the equilibrium constant given: NH4NO3(s)  N2O(g) + 2 H2O(aq)

A: For the given equilibrium reaction: NH4NO3(s) ⇌ N2O(g) + 2 H2O(l) Here decomposition of ammonium…

Q: Calculate the pH of a 0.25M aqueous solution of sodium fluoride, NaF. (Ka = 6.7 x 104)

A: Given; Concentration of sodium fluoride (NaF) solution = 0.25 M Ka = 6.7 × 10-4 pH of the solution =…

Q: In what terms can you express the alkaline strength of pearl ash?

A: Pearl ash is also known as potash, chemically it is potassium carbonate.

Q: Calculate the pH of a 0.25 M solution of aluminum chloride, which dissolves completely to give the…

A: Concentration of aluminum chloride solution = 0.25 M   The equation for the reaction: Al(H2O)63+(aq)…

Q: Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO,. Dissolved…

A: Given partial pressure = 6.8x10-4 bar. Atmospheric pressure = 0.9869 bar. Determine the mole…

Q: 2. Hypochlerous acid (HOCI) is a weak acid that forms when chlorine dissolves in water, and itself…

A: a. The central atom is O. It has two sigma bonds and two Lone Pair. That's why it has 4 coordination…

Q: Calculate the Molar Solubility at 25.0 oC of an aqueous solution of calcium phosphate, Ca3(PO4)2,…

A: The solubility reaction for Ca3(PO4)2, is given by  Ca3(PO4)2 (s) -----> 3 Ca2+ (aq) + 2 PO43-…

Q: Suppose that the solubility of Ca(OH)2 in water is 0.3g/0.1L. What is the pH of an aqeous saturated…

A: Given that:                 Mass of calcium hydroxide = 0.3 g                               Volume…

Q: What is the pH of a 1.00 x 10^-9 molar solution of MgCl2?

A: The pH of a 1.00 x 10^-9 molar solution of MgCl2 is given below

Q: Calculate the pH of a solution of ammonium acctate. Given that: K, - 1.76 x 10, K,- 1.8 x 10 and K,…

A: A salt formed of weak acid and strong base is alkaline in nature and has a pH above 7 while a salt…

Q: Calculate the pH of a 0.600M solution of tin chloride SnCl2.

A:

Q: What is the pH of a 0.40 M solution of sodium nitrate, NaNO2 ? The pKa for nitrous acid (HNO2) is…

A: Base dissociation constant Kb is utilized to determine the basic nature of a solution. It refers to…

Q: Write the dissociation equation and calculate the pH for a solution of 2.5 M HNO2 nitrous acid, Ka…

A:

Q: Predict the equilibrium of the following acid-base reaction. a) K 1

A: Terminal alkyne has a hydrogen atom attached to the sp hybridized carbon atom. The electronegativity…

Q: Write a chemical equation for the reaction of CO2 and limewater (Ca(OH)2). Write a physical…

A: Chemical equation is the representation of a chemical reaction, in which the reactants and products…

Q: Calculate the solubility of aluminum hydroxide, Al(OH)3, in a solution buffered at pH 11.00.

A: Solubility product, Ksp of Al(OH)3 is 1.9×10-33. pH of the solution = 11.00 pOH of the solution = 14…

Q: What is the pH of a 0.0490 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

A:

Q: .Write a balanced equation for the dissociation of each of the following Bronsted- Lowry acids in…

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: A sample of water has a pH of 5.3. The concentration of bicarbonate (HCO3-) in the sample is 190…

A: The concentration of hydrogen ion and hydroxide ion in mg/L is; H+=10-5.3H+=10-5.3 mol/L×1g/mol×1000…

Q: What is the pH of a substance with a hydrogen concentration of 3.0 x 10-12?

A:

Q: The pH of a 0.10 M solution of Ni(NO3)2 is 5.0. Calculate the acid ionization constant of Ni(H 2O)…

A: [Ni(H2O)6]2+ is a Bronsted- Lowry acid. It releases H3O+ in solution.The acid ionization reaction is…

Q: NH3 is a weak base (Kp = 1.8 x 10³) and so the salt NHĄCI acts as a weak acid. What is the pH of a…

A: At Temperature 25°C Kb (NH3) = 1.8 × 10-5 [NH4Cl] = 0.028 M

Q: Write the expression for the equilibrium constant for each reaction.

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical…

Q: The acid ionization constant for Ga(H20)63+(aq) is 2.5x10-3. Calculate the pH of a 0.1120 M solution…

A:

Q: What is the maximum [CO1 that can exist in a 1.8 x 10 M AGNOS solution?

A: The Ag+ ions coming from both AgNO3 and Ag2CO3 are to be considered for the calculation. As shown…

Q: Hydrogen cyanide, HCN(aq), is a weak acid with pKa = 9.2. What is the pH of 2.5M HCN(aq)?

A:

Q: Sketch the pH curve of a solution containing 0.10 M NaCH3CO2(aq) and a variable amount of acetic…

A: Acetic acid is a weak acid and the given salt NaC H3CO2 (aq) is salt of the weak acid that is of…

Q: What is the pH of the solution when 20.0 mL of 0.155 M of NH3(ag) is titrated with 15.0 mL of 0.225…

A:

Q: Calculate the pH of a solution of magnesium hydroxide, Mg(OH)2 (Ksp = 5.6 × 10−12), made by…

A: Solubility Product : For a sparingly soluble salt , the product of Solubility (mol/lit) of all the…

Q: A buffer solution of volume 100 cm3 consists of 0.10 M CH3COOH(aq) and 0.10 MNaCH3CO2(aq). (a) What…

A:

Q: The pH of a 0.016-M aqueous solution of p-toluidine (CH3 CgH,NH2 ) is 8.60. Calculate Kp. K,

A:

Q: Phenoxide ion (C,HsO) is a weak base, with Kp = 7.70 x 10. Calculate the pH of a 0.50 M aqueous…

A: Given that  Kb = 7.70 × 10-5  Peroxide ion is a weak base

Q: 1- Calculate the equilibrium concentrations of A and B in 0.10M solution of AB with equilibrium…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…

Q: You are on one of Saturn's many moons and discover a substance, Y2O that undergoes autoionization…

A: Applying similar concept of kw and pH as like water because it also involves in auto ionisation like…

Q: Alizarin yellow R, Ka = 7.9 x 1012, is yellow in its protonated form (HX) and red in its ionized…

A: Alizarin yellow (R)  be a distinct orange color when,…

Q: For H2CO3, Ka1 = 4.3 x 10 7, Ka2 = 4.7 × 10 11. What is the pH of a 0.11 M solution of carbonic…

A:

Q: Calculate the molar concentration of OH- in a 0.724 M solution of hypobromite ion 1BrO-; Kb = 4.0 *…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: What is the pH of a 6.65×102M aqueous solution of sodium hypochlorite, NACIO? (K, for HCIO =…

A: The equilibrium constant for a reaction is expressed in terms of the ratio of the concentration of…

Q: What is the pH of a saturated solution of silver hydroxide, given Ksp = 1.57×10-8?

A: The Ksp expression for silver hydroxide is shown below, Ksp = [Ag+] [OH-]

Q: What is the pH at 25 degrees Celsius of a saturated solution of magnesium hydroxide (the active…

A: Since the solubility product (i.e Ksp ) of magnesium hydroxide = 4 X 10-12  And the dissolution…

Q: 13.2) What is the pH of a 0.85 M solution of sodium hydrogen sulfite, NaHSO3 (Ka=6.0 x 10^-8)?

A: Given: Initial concentration of NaHSO3=0.85 M Ka for NaHSO3 = 6 x10-8 We know that, pH = -…

Q: If the equilibrium constant for A + B  C is 0.175, then the equilibrium constant for 2C  2A + 2B is

A: Given data,K=0.175,for the reaction :A+B→C

Q: Ag+ (aq)  +  Cl–   (aq)     →     AgCl (s)               Delta H = ? What is the enthalpy change…

A:

Q: If the equilibrium constant for A + B  C is 0.157, then the equilibrium constant for 2C  2A + 2B is:

A: The equilibrium constant

Q: The solubility product constant of Mg(OH) is 1.8 x 10-11 at 25°C. Calculate the pH of a 2saturated…

A: The solubility product constant of Mg(OH)2 is 1.8 x 10-11 at 25°C. Calculate the pH of a saturated…

Q: Write an expression for the equilibrium constant  for this reaction: N2O4(g)+ O3(g)=N2O5(s)+O2(g)

A: