What is the pH of a solution of 0.400 M CH3NH₂ containing 0.220 M CH3NH3I? (Kb of CH3NH2 is 4.4 x 10-4)

Q: Assuming that stomach acid is 0.150 M HCl (density, 1.00 g mL-1), what mass of acid would a 500 mg…

A: Given, Molarity of HCl solution = 0.150 M = 0.150 mol/L Density of HCl solution = 1.00 g/mL Mass of…

Q: What is the pH of a 0.0560 M solution of HONH3CI (Kb of HONH₂ is 1.1 x 10-8)?

A: Given,Concentration of  of Objective : Determine the pH of solution

Q: UESTIONS 1. Write the balanced chemical equation for the reaction of KHP with NaOH. KUCH

A: We have find out the answer. Note ~ Since you have posted multiple questions, we will provide the…

Q: What is the pH of a 0.640 M solution of Ca(NO₂)2 (Ka of HNO₂ is 4.5 x 10-4)?

A: Given : Concentration of Ca(NO2)2 = 0.640 M And Ka of HNO2 = 4.5 X 10-4  Since Ca(NO2)2 is a…

Q: What is the pH and % ionization of a 0.25 M aqueous solution of hydrazine? Kb = 1.3 x 10-6

A: The objective of this question is to calculate the pH and percent ionization of a 0.25 M aqueous…

Q: What is the pH of a system that is 0.40 M in NH3 and 0.80 M in NH4Cl? (Kb = 1.8 x10-5 )

A:

Q: What is the pH of a solution of 0.400 M CH3NH2 containing 0.230 M CH3NH3I? (Kb of CH³NH₂ is 4.4 ×…

A: The concentration of base [CH3NH2] = 0.400 M The concentration of salt CH3NH3I] = 0.230 M Kb for…

Q: What is the pH of a 0.0810 M solution of HONH;CI (Kb of HONH2 is 1.1 x 108)?

A: Given,                HONH3Cl -----> HONH3+ + Cl-  Hydrolysis of the weak conjugate acid, HONH3+…

Q: A typical vitamin C tablet (containing pure ascorbic acid, H₂C6H606) weighs 500 mg. One vitamin C…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: What is the concentration of CO32– in a 0.030 M solution of carbonic acid, H2CO3? For carbonic acid,…

A: We will use common ion effect

Q: Done 7 Part A Calculating pH What is the pH of an aqueous solution with the hydronium ion…

A:

Q: What is the hydroxide-ion concentration in a 0.10 M solution of Na2CO3? For carbonic acid, Ka1 = 4.2…

A: Given,  Thr hydroxide-ion concentration in a 0.10 M solution of Na2CO3 is: For carbonic acid,…

Q: What concentration of oxalic acid, HOOCCOOH(H2A), will have a pH of 2.50 (pKa1 = 1.25; pKa2 = 4.14)?

A: Given:pH = 2.5pKa1 = 1.25pka2 = 4.14The pH of a solution is determined using the negative logarithm…

Q: Suppose a 0.027 M aqueous solution of oxalic acid (H₂C₂O4) is prepared. Calculate the equilibrium…

A:

Q: Show your work, use general chemistry rules for significant figures. 6. A solution is made by…

A: Initially, we have 1.0 x 10–4 mol of Na3PO4 or PO43-(aq).  Since PO43-(aq) is a base, when we add…

Q: if 32.8 mL of a 0.162 M NaOH solution is required to neutralize 25.0 mL of a solution of H2SO4, what…

A: Given  V2  =     Volume of NaOH    = 32.8 mL  M2  =   Molarity of NaOH     = 0.162 M  V1  =…

Q: What is the pH of a 2.4 M solution of H2CO3? (Ka of H2CO3 = 4.3 x 10-7, Ka of HCO3- = 7x 10-11)

A:

Q: Calculate the pH of a 6.9 × 10¬³-M solution of H2SO4 ( -3

A: The pH is used to determine the acidity or alkalinity of a solution. Molarity of a solution is used…

Q: H₂SO3 is a diprotic acid with Kal = 1.6 × 10°² and K₁2 = 6.4 × 10-8 What is the equilibrium constant…

A: When we subtract two equations; value of equilibrium constant gets divided.Equilibrium constant is…

Q: What is the pH of a 0.430 M solution of CH NHBr (Kb of CHN is 1.7 × 10º)?

A: Given information:Calculate pH.  .pH is the measurement of acidity or alkalinity of solution. A…

Q: In a titration experiment, 32.45 ml of 0.200 M NaOH were required to neutralize 25.00 mL of H2SO4.…

A: Sulfuric acid and sodium hydroxide are strong acid and strong base respectively. They furnish the…

Q: If 0.015 moles of Fe2(SO4)3 is dissolved in enough water to make 2.5 L of solution. What is the Eq/L…

A:

Q: What is the pH of a 0.01 M CH3COOH solution? (Ka= 1.74 x 10-5)

A: Given that  Ka of Ch3COOH is 1.74× 10^-5    Concentration of Ch3COOH is 0.01M

Q: What is the pH of a 0.620 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 × 10-4)?

A: HNO2 => H+ + NO2- Ka = [H+][NO2-]/[HNO2] Given, Ka = 4.5x10-4 = [H+][NO2-]/[HNO2] 4.5x10-4 =…

Q: Determine the pH

A: The scale which is used to analyze the acidity and basicity of an aqueous solution is called as pH…

Q: What is the pH of an aqueous solution with .5 M NH3 & .45 M NH4Cl?  Kb=1.78 x 10-5

A:

Q: What are the concentrations of H3O* and OH in each of the following? а. 2.78 M NaOН O[OH ] = 2.78 M,…

A: 1. Strong Acids are substances, which in aqueous solutions ionizes completely to give rise to…

Q: What is the hydronium ion concentration of a 0.200 M solution of methylamine? The Kb value for…

A:

Q: 7 A. B. Neutral water at body temperature (37 °C) has a pH = 6.81, not a pH = 7. ☐☐ What is the Kw…

A: pH = 6.81 at temperature  37°C The autoionization of water is given by the equation: H2O(l) ⇌ H+(aq)…

Q: What is the pH of a 0.26 M solution of NaNO₂? For nitrous acid, HNO₂, K₂ = 4.6 x 10-4. pH = 1 1.97

A: We have to calculate the pH of the solution

Q: 2- Suppose a 0.024M aqueous solution of phosphoric acid (H3PO4) is prepared. Calculate the…

A: Step 1:  Step 2: Step 3: Step 4:

Q: Given that pKa = 3.14 at 25 deg C for HNO2, what is the pH of 0.173 mol L-1 NaNO2(aq) at 25 \deg C?…

A: The objective of the question is to calculate the pH of a 0.173 mol/L NaNO2 solution at 25°C and the…

Q: What is the pH of a 0.820 M solution of Ca(NO2)2 (Ka of HNO₂ is 4.5 × 10-4)?

A:

Q: Calculate the number of grams of KOH required to neutralize 22.2 mL of H3PO4 with a concentration of…

A: molarity = moles/volume of solution(in L)  so, moles = molarity × volume (in L)     number of moles…

Q: What is the pH of a 0.0440 M solution of HONH3CI (Kb of HONH₂ is 1.1 x 10-º)?

A:

Q: What is the pH of a soln which  is 0.5 M NH3 and 0.075M NH4Cl? (kb=1.8x10-5)

A: The solution of NH3 and NH4Cl will form a buffer solution and the pH of a buffer solution is…

Q: 3. What is the pH of a solution of 0.01 M H₂SO4?

A: [H2SO4]=0.010MpH=?To find the pH of a solution of 0.01 M H2SO4 (sulfuric acid), you need to consider…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.