Phosphoric acid (H3PO4) is a triprotic acid with the following K₂ values: Ka1 = 7.5x10-3 Ka2 = 6.2X10-8 Ka3 4.8x10-13 = What is the concentration of the phosphate ion (PO43) in a 0.86 M NaH2PO4 solution? 7.5x10-3 6.2X10-8 4.8x10-13 none of the above

Q: is the salt Sr(NO2)2 acidic, basic, or neutral?

A: When a weak acid and a strong base are mixed, they react according to the following net-ionic…

Q: Which of the compounds CH3CO2H, Mg(OH)2, CsOH, and HI behave as bases when they are dissolved in…

A: We can verify this thing simple one rule: If the compound releases H+ ion in aqueous solution, it is…

Q: ⁻ concentration in an aqueous solution at 25 °C is 1.1 × 10⁻³. What is [H⁺]?

A: Product of hydrogen ion concentration and hydroxide ion concentration is equal to ionic product of…

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.26 M solution…

A:

Q: Which of following solutions is a basic solution? A solution with [OH] = 1.7 x 104 M A solution with…

A: On a scale of pH meter ,  any solution is described as basic in nature if and only if  , pH is…

Q: Over-the-counter (OTC) antacids are chemicals that neutralize acidity to relieve a painful reflux.…

A: Antacids :Our stomach produces hydrochloric acid(HCl). It  helps in the digestion of food without…

Q: The OH⁻ concentration in an aqueous solution at 25 °C is 2.3 × 10⁻⁵. What is [H⁺]?

A: Given: [OH- ] = 2.3 × 10-5 M

Q: For the diprotic weak acid H₂A, K₁1 = 2.1 x 106 and K₁2 = 7.6 x 10-⁹. What is the pH of a 0.0400 M…

A: pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pH…

Q: The pH of an aqueous 0.0100 M solution of NaOH is: 2 O 12 01 OO 07 9

A: The objective of the question is to determine the pH of a 0.0100 M NaOH solution and to identify…

Q: For the diprotic weak acid H2A, ?a1=3.7×10−6 and ?a2=6.2×10−9. What is the pH of a 0.0450 M…

A:

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.60 M solution…

A: Answer:Value of pH is equal to:

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.23 M solution…

A: The PH of diprotic acid can be calculated as follows

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.18 M solution…

A:

Q: For the diprotic weak acid H₂A, Kal = 3.2 × 106 and K₁2 = 7.6 × 10⁹. What is the pH of a 0.0800 M…

A:

Q: Naturally occurring rainwater is acidic due to the presence of carbonic acid, H2CO3, produced when…

A: The problem is asking us to calculate the pH of rainwater given the concentration of carbonic acid…

Q: For the diprotic weak acid H₂A, Kal What is the pH of a 0.0750 M solution of H₂ A? pH = = = 3.7 ×…

A: Given, The concentration of H2A = 0.0750 M. Ka1 = 3.7 × 10-6  and  Ka2 = 5.4 × 10-9 The pH of the…

Q: What is the hydronium ion concentration of a solution with [OH–] = 1.75 x 10-9.

A: Concept: Water undergoes auto-ionization as shown in the following equation. 2 H2O  -->   H3O+ +…

Q: In which container is hydrofluoric acid (HF) least ionized? 0.10 M HF 0.10 M HF 0.10 M HF 0.10 M HF…

A: Common ion effect: According to this effect the solubility of an ionic precipitate will decreases if…

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.14 M solution…

A:

Q: Is the self ionization of water endothermic or exothermic? The ionization constant for water (Kw) is…

A: Self ionization of water, which is to be determined as exothermic or endothermic.

Q: Which of the following can be char O NaHCO3 O NH3 O Ba(OH)2 O CHOOH

A: Base are the substance  which can donate a pair   of electron according to Lewis  concept of acid…

Q: What is the pH of a 2.8 x 10-4 M solution of NaOH? What is the hydronium ion concentration of the…

A:

Q: What is the pH of a solution with a hydrogen ion concentration of 1.3 x 10-11?

A: Value of pH is used to measure the acidity or basicity of a solution. Value of pH at room…

Q: The following substances can be found in many food products. How many of them will increase the…

A: Amines are basic, they can accept a proton from water and increase OH- ions concentration.…

Q: Which of the following is identified as a weak base? LİOH - Ва(ОН)2 NH4OH NaOH

A: Weak base from above four option is

Q: For the diprotic weak acid H₂A, Kal = 3.7 x 10-6 and Ka2 = 6.1 x 10-⁹. What is the pH of a 0.0800 M…

A:

Q: If an aqueous concentration concentration solution at 25°C has a hydroxide equal to 6.1 x 10-8 M,…

A: The hydronium ion concentration can be calculated by dividing the given value of hydroxide ion…

Q: Calculate the pH and percent ionization of a 0.720 M HNO₂ solution. Note: Reference the K of acids…

A: HNO2 is a weak acid, which means that it partially dissociates in water. The dissociation equation…

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.45 M solution…

A: The question is based on the concept of equilibrium. we have determine the pH of the given diprotic…

Q: Which are the strong acids?  HCI, HI, HNO3, and H2CO3

A: Strong acid is that which dissociate in to ions when dissolved in water and weak acid do not…

Q: HCl is a strong acid.  What is the pH of a solution of concentration 1 x 10-3M?

A:

Q: Arsenic acid, H3AsO4, is used industrially to manufacture insecticides. Arsenic acid is a polyprotic…

A: The concentration of the HAsO42- is to be calculated in a solution whose initial arsenic acid…

Q: Hydrogen selenide (H2Se) reacts with water according to the following equation. H2Se + H2O → SeH– +…

A:

Q: These are the characteristics of a strong acid. • ionizes completely in aqueous solutions has…

A: A strong acid is defined as an acid that ionizes completely in an aqueous solution. This means that…

Q: At the same concentration, which of the following aqueous solutions has the lowest pH? O HNO3…

A: pH stands for power of hydrogen. pH is defined as negative of logarithm of hydrogen ions.…

Q: A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.20 M solution…

A: Reactions- H₂A + H2O ↔HA-  + H3O+  Ka1 = 3.4 × 10⁻⁴ HA- + H2O ↔ A2- + H3O+  Ka2 = 6.7 × 10⁻⁹ Ka1…

Q: of a 0.432 M aqueous solution of n pH =

A: pH of solution is defined as negative logarithm of hydrogen ions present in the solution. Here we…

Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4

A:

Q: Assuming complete dissociation, what is the pH of a 3.67 mg/L Ba(OH)₂ solution? pH =

A: The mass of barium hydroxide = 3.67 mg =         ( 1.0 mg = 10-3 g)Molar mass of Ba (OH)2, = 171.34…

Q: The OH⁻ concentration in an aqueous solution at 25 °C is 3.5 × 10⁻⁵. What is [H⁺]?

A: We have to calculate the hydrogen ion  Concentration.

Q: R | с in the concentrations H₂PO 0.058 E - X 0.058 - X shown in HPO 2 + H+ 0 0.058 + X X = + X 0.058…

A:

Q: What is the pH of a 0.177 M diprotic acid solution (H2A)? Ka1 = 4.3 x 10-5 and Ka2 = 2.8 x 10-9.

A: The general equation for the dissociation of a diprotic acid (H2A) can be represented as follows:…

Q: Which of the following is the weakest acid? HCN ( Ka = 4.9 × 10-¹⁰) HF (Ka = 6.8 × 10−4) OHCIO (Ka =…

A: pKa value: pKa value negative logarithm of the acid dissociation constant (Ka). pKa = -logKa Low pKa…

Q: 12+ + (n-1)+ + How does the equilibrium constant of this acid-base reaction between a hydrated metal…

A: Reaction of a metal cation with water molecule is a type of acid-base reaction more specifically it…

Q: What is the pH of an aqueous solution of 2.37×10-2 M nitric acid? pH =

A: The important thing to keep in mind here is that nitric acid is a strong acid, which means that it…

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red. 

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.