What is the concentration of a solution of Ca1OH22 for which the pH is 11.68?

Q: Which of the following is an acidic salt?* OKNO3 O SrCl2 O CuCl2 Ba(CH3C00)2

A: Acidic salts are the ones which produce acidic solution when dissolved in solvent. Acidic salts are…

Q: The organic acid RCOOH has a pk = 4.08. What is the pH of a 0.50 M aqueous solution of this acid?…

A: Given: pKa of organic acid = 4.08 Concentration of organic acid = 0.50 M

Q: Calculate the pH of a 1.22×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of…

A: The pH of the decongestant ephedrine hydrochloride can be calculated as

Q: Fill in the left side of this equilibrium constant equation for the reaction of hydrocyanic acid…

A: Answer:- This question is answered by using the simple concept of ionisation of a weak acid in water…

Q: Write the formula of the conjugate base of CH₃CH₂OH.

A: According to Bronsted-Lowry acid-base concept, an acid is a species which can donate proton and a…

Q: What are the predicted products from the following neutralization reaction? HNO3(aq) + Ba(OH)2(aq) →

A: Given, HNO3(aq) + Ba(OH)2(aq) →

Q: Calculate the pH of a 1.01×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of…

A: Given:Molarity = 1.01×10-2 MpKb of ephedrine = 3.86we need to Calculate the pH.

Q: What is the molarity of an aqueous NH3 solution that has apH of 11.17?

A:

Q: HNO3 Al(OH)3 Al(NO3)3 _H2O KCI +

A:

Q: Calculate the concentration of OH− and the pH for a 0.15 M aqueous solution of morphine (C17H19NO3,…

A: Recall the following relation to calculate pOH and pH of the given morphine solution…

Q: How many grams of Mg(OH)2 will be needed to neutralize 25 mL of stomach acid, if stomach acid is…

A: 1- First calculate the moles of HCl :  Moles of HCl = [ Molarity × Volume ]  Moles of HCl = [ 0.10M…

Q: The conjugate acid of HSO₃⁻ is

A: Given : HSO3-  To determine : conjugate acid of HSO₃⁻

Q: H2PO4- is amphiprotic and can act as a Brønsted-Lowry acid or Brønsted-Lowry base. Write the…

A: Concept:  Amphoteric Compound: a substance which can act as a acid as well as a base is called…

Q: What is the hydrolysis net ionic equation for hydrolysis of NH4Cl and Na2CO3?

A: Hydrolysis of NH4Cl : Net ionic equation        NH4 (aq)+   + 2H2O(l)   ⇌ NH4OH(aq)   +  H3O(aq)+…

Q: Which of the following is an acidic salt? O a. Na2SO4 O b. NaCI С. КС O d. NH4CI O e. CH3COONa

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Q: Calculate the ratio [CH3COOH]/[NACH3COO] that gives a solution with pH = 5.2? ( Ka = 1.8 x 10-5)…

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Q: What is the hydronium-ion concentration of a 2.13 ✕ 10−4 M solution of p-bromobenzoic acid,…

A: Interpretation: The hydronium-ion concentration of a 2.13 ✕ 10−4 M solution of p-bromobenzoic acid,…

Q: Consider the molecule, pentanoic acid which has a pKa of 4.81: H3C OH  At each of the following pH…

A:

Q: Morphine is an effective pain killer but is also highly addictive. Calculate the pH of a 0.115 M…

A: Given, Molarity of morphine solution = 0.115M. pKb = 5.79.

Q: A student determines that the value of pKa for CH3COOH = 4.57 . What is the value of Ka?

A: Carboxylic acids (containing -COOH), such as acetic and lactic acids, normally have a Ka constant of…

Q: Which of the following is correct concerning the base ionization constant, Kp, of dimethylamine,…

A: Ionization of amine is water.

Q: 2. Explain the term 'buffer capacity'.

A: Explanation of term "buffer capacity "

Q: Write the equations for the dissocation of the following in aqueous solution:Na2S:[(NH4)2]CO3:KHSO3:

A: A compound dissociates into its corresponding ions in aqueous solution.a) Sodium sulphide…

Q: What is the conjugate acid of HPO42− ?

A: When the base is added with a hydrogen ion i.e H+ ion it gives the conjugate acid of that base.

Q: Write a net ionic equation to show that caffeine, C3H10N4O2, behaves as a Bronsted-Lowry base in…

A: To write a net ionic equation to show that caffeine behaves as Bronsted-Lowry base in water.

Q: What is the hydronium- ion (H30*)

A: Given : Concentration of KOH solution= 0.065M

Q: Which of the following statements is/are correct at 25 °C? 1. Benzoate (C,H;O2) requires a Ka to…

A: To determine pH we need Ka or Kb value. Which among Ka or Kb is used depends on the nature of…

Q: Write the balanced molecular equation for the complete neutralization of H2SO4 by KOH in an aqueous…

A: Given  Reactant = KOH and H2SO4 Complete Balanced molecular equation = ?

Q: A mysterious white powder is found at a crime scene. A simplechemical analysis concludes that the…

A: Given data contains, Mass of the mysterious white powder is 10.00mg. Volume and Molarity of HCl…

Q: At what pH is the concentration of a compound, with a pKa = 8.4, 100 times greater in its basic form…

A:

Q: If the pH of a 7.0×10−4M solution of morphine is 9.5, what is the value of Kb? What is the value of…

A:

Q: If 94.92 mL of a solution of HCl are equivalent to 43.76 mL of a solution of NaOH and if 49.14 mL of…

A:

Q: Calculate the pH of a 0.325 M solution of a weak base whose conjugate acid has a pka-5.155.

A:

Q: what is the formula of the conjugate acid of SO32-

A: Given species: SO32- We have to write the formula of the conjugate acid of SO32-.

Q: Calculate the pH of a 0.0101 M aqueous solution of formic acid (HCOOH, Ka = 1.8E-4). pH =

A: For weak monoprotic acid ( HCOOH) : pH = 0.5 x (- log Ka - log C ) pH = 0.5 x ( - log 1.8 x 10-4 -…

Q: Write a net ionic equation to show that codeine, C13H21O3N, behaves as a Bronsted-Lowry base in…

A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…

Q: What is the pH of a solution that is 0.05M in ethylamine and 0.08M in its chloride salt (pKa=10.8)

A: pH of a solution =?    [ C2H5NH2 ] = 0.05 M    [ C2H5NH3+ ] = 0.08 M Acid dissociation constant :…

Q: At what pH is the concentration of a compound, with a pKa = 3.7, 10 times greater in its acidic form…

A: Given information: pKa = 3.7 [Acid] = 10[Base]

Q: What is the pH of a 0.639 M solution of lactic acid? The pKa of lactic acid is 3.854.

A:

Q: Predict which member of each pair produces the more acidic aqueous solution: (a) K+ or Cu2+

A: In terms of electrons, we can say that" Acids are the substances which have a long tendency to…

Q: Complete and balance each of the following equations. If no reaction occurs, write noreaction:…

A: sodium acetate (NaC2H3O2) reacts with lead nitrate, (Pb(NO3)2 to form lead acetate and sodium…

Q: Fill in the left side of this equilibrium constant equation for the reaction of azetidine (C,H,NH),…

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

Q: Which one of the following substances is/are amphoteric? (2) HS-1 (3) PO43- 1-*OSH (1) 2 only 3 only…

A: 1. HSO4-1 : - This compound is  amphoteric meaning that in water it can behave as both a proton…

Q: Write the acidic equilibrium equation for HC₆H₅CO₂

A: At equilibrium, equilibrium constant is the ratio of the product of  concentration of products to…

Q: Which of the following describes H3PO3? monoprotic diprotic

A: H3PO3 has three hydrogen atoms and when we draw the structure it is clear that in H3PO3 only two…

Q: Write the equation for the decomposition of the hydrate Na2SO4•10H2O. Label the anhydrous salt.

A: Chemical name of Na2SO4.10H2O is sodium sulfate decahydrate.It is also known as Glauber's salt.On…

Q: Which of the following biomolecules is/are NOT amphipathic? OH NH2 CH-OH ÇH;OH он но CH;OH ÓH OH он…

A: he options are as follows:

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.