A buffer solution is composed of 5.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 4.10, what is the pH of the buffer? pH=

Q: A chemistry student weighs out 0.105 g of sulfurous acid (H,SO,), a diprotic acid, into a 250. mL vo...

A:

Q: Calculate the pH of a 0.30 mol/L ammonium nitrate (NH4NO3) solution.

A: Given, pH of the ammonium nitrate (NH4NO3)  solution = ? Concentration of ammonium nitrate (NH4NO3) ...

Q: How many mmol of  NaOHNaOH  will react completely with 50. mL of 2.0 M H2C2O4

A:

Q: 9. Consider the titration of a sample of a weak acid with a strong base (titrant). What is the signi...

A: 9. A weak acid is titrated with a strong base.  Here, we have to select the correct option for the s...

Q: Directions: Calculate the required quantity in the problem. Write your solution on a separate piece ...

A:

Q: 1. The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality ...

A:

Q: Which of the following is a chiral molecule/s?

A:

Q: How many mL of resorcinol monoacetate should be used to prepare 1 pint of 15% (v/v) lotion?

A: Given,  The volume of resorcinol monoacetate should be used to prepare 1 pint of 15% (v/v) lotion is...

Q: What is the name of the compound below?

A:

Q: How many grams of phenol should be used to prepare 240 g of a 5% (w/w) solution in water?

A: Formula used :-  W/W % = (Mass of phenol ÷ Mass of solution )×100%   

Q: 4. What mass of Cu(10,); can be formed from 0.5000g of Cuso, SH,0?

A:

Q: If 20.0 g of H, reacts with 40.0 g of CuO which reactant is limiting?

A: Limiting reactant is the reactant which is present in less amount and is consumed first in the react...

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat o...

A:

Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from ...

A:

Q: (w/w)

A:

Q: direction: assign oxidation numbers to each of the atoms in the equation and determine if the reacti...

A: Check the oxidation number for each atom on both side and determine if the given reaction is redox r...

Q: Acid can dissociate in solution, which characterized by dissociation constant (Ka). Polyprotic acids...

A: (a)    For soda water, the CO2 concentration is given to be 6 g/L.

Q: Why is the concentration of the water neglected in the rate law for the reaction studied in this exp...

A: Generally the terms involved in equilibrium expression should undergo change in their concentration ...

Q: On which of these quantities does the rate constant of a reaction depend: concentration of reactants...

A:

Q: What is the pH of a 80.0 mL solution which is 0.25 M in IO¯ and 0.43 M in HIO? The Ka for HIO is 2.3...

A: HIO + H2O ⇔ H3O+ + IO- The concentration of conjugate base, [IO-] = 0.25 M the concentration of acid...

Q: A0.55 M solution of HX, a weak acid, is made. a) Write the reaction of the acid in water and identif...

A:

Q: The balanced combustion reaction for C,H, is 2C,H,0) + 150,(g) 12 CO, (g) + 6 H,O(1) + 6542 kJ If 5....

A:

Q: Rank the acids below in order of increasing acidity (start from least acidic to more acidic). HO. HO...

A:

Q: [Review Toplcs] [References Use the References to access important values if needed for ti Draw the ...

A:

Q: Explain in not more than 10 sentences why it is important to know the properties, doses, effects, an...

A: Ans.  It is important to know the properties, doses, effects, and exposure conditions of a cosmetic ...

Q: 15. The reaction N2O49) = 2NO29) is allowed to reach equilibrium in chloroform solution at 25.0°C. T...

A: Answer: Given decomposition reaction of N2O4 is shown below: N2O4(g)→2NO2(g) It means, 1 mole of N2O...

Q: How much heat is removed from the condensation of water at 25 °C? Given: S° H2O (1) = 69.9 J/mol·K a...

A: In condensation gas become liquid ∆S = Sproduct - Sreactant  ∆S =  69.9 J/ mol K - 188.7 J/ mol K ∆S...

Q: Enter your answer in the provided box. The reaction 2A → B is first order in A with a rate constant ...

A:

Q: Write the reaction rate expressions for the reaction below in terms of the disappearance of the reac...

A:  

Q: Treatment of a 0.7000 g sample of impure potassium chloride with an excess of AgNO3 resulted in the ...

A: Given, mass of sample of impure KCl = 0.7000 g molar mass of KCl = 74.55 g/mol Excess reactant - AgN...

Q: 6. Enumerate and describe the types of precipitates. 7. How will you control the size of precipitate...

A: 6) Precipitation is the process of transforming a dissolved substance into an insoluble solid from a...

Q: (a) 0.123 M HONH2 (Ko = 1.1 x 108) (b) 0.123 M HONH3CI (c) pure H20 (d) a mixture containing 0.123 M...

A:

Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH = 0...

A:

Q: Determine the equilibrium constant (solubility constant) when a total of 0.025 m of M2SO4 wa dissolv...

A: Given reaction: M2SO4(s)↔2M++SO42-                     (Note that the reaction given in the question...

Q: OH F OH

A:

Q: An electron in a hydrogen atom is excited from the n = 1 ground state to the n = 4 excited state. Cl...

A:

Q: The amino acid alanine has the Lewis structure shown below. Which electron-pair geometries are prese...

A: Electron pair geometries are decided with the help of hybridisation.  Hybridisation is decided with ...

Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from ...

A:

Q: Draw the major intermediate and product of the reaction between (2E)-4-methylhex-2-ene and Brz in th...

A:

Q: At a certain concentration of H2 and NH3, the initial rate of M reaction is 2.0 x 1oª M / s. What wo...

A:

Q: What is the IUPAC name of the following compound? Ph HO. O 5-methyl-5-phenylhexanoic acid O 5,5-dime...

A: Option A. 5-methyl-5-phenyl hexanoic acid

Q: КОН НОСН -O(CH3)3 heat H,O Br

A:

Q: A chemist fills a reaction vessel with 0.839 g mercurous chioride (Hg, Cl,) solid, 0.302 M mercury (...

A:

Q: The calcium in a 300.0 ml sample of natural water was determined by precipitating the cation as CaC2...

A: Answer: This question is based on stoichiometric calculation where we have to find out the number of...

Q: 2. If a metal has a mass of 27 q and it requires 420 J of heat energy to increase temperature from 2...

A:

Q: 3. (77, 87, 133) The complete combustion of ethanol is performed according to the reaction given bel...

A: Since you have multiple questions we will answer the first three subparts of the first question one ...

Q: What is the connection of polarity to the formation of intermolecular forces of attraction?

A: Polarity of molecules leads to partial positive and negative charge on the molecule.

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.