What will happen to the pH of a 2.0 HF solution (pH=1.42, Ka=7.23x10^-4) if you added some NaF to it? Explain how you came to this conclusion and why this happens.

Q: You are given three unknown solutions. One is strongly acidic (pH below 1), one is neutral, and one…

A: pH indicators are added in small amount to solutions so that they can indicate their pH by showing…

Q: The pH of a solution containing a hydrogen ion concentration of 1 x 10-5 is 5 and its pOH is 9,…

A: Given that:  [H+] = 1×10-5 pOH = 9  using relation  pH = -log[H+]

Q: Would the concentration of hydroxide ion in a 0.25 M solution of calcium hydroxide (Ca(OH)2) be…

A: From given  Concentration of Ca(OH)2 = 0.25M Equation representing the dissociation of Ca(OH)2 is…

Q: [1,0] solution pH x1 0.0027 mol/L A O mol/L B 7.03 10 mol/L 4.0 X 10 C

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Q: In which of the following aqueous solutions does the weak acid exhibit the lowest percentage…

A: We have been asked to determine the lowest percentage ionization without calculation.

Q: Would you expect a solution of ammonium chloride (NH4Cl) to be acidic or basic when added to water?…

A: Introduction- For the salts of strong acids and strong bases, the pH of salt will be neutral that is…

Q: Solutions of NaClO2, KCH3COO, and Ca(NO2)2 all have pH that is greater than 7 at 25 oC. Using these…

A: The reaction between an acid molecule and a base molecule to form an ionic compound termed as salt…

Q: A solution is prepared by dissolving 0.10 mol of acetic acid and 0.10 mol of ammonium chloride in…

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Q: Aniline (C6H5NH2), a weak base, is one of the starting materials for the synthesis of organic dyes.…

A: Given, Aniline (C6H5NH2), a weak base, is one of the starting materials for the synthesis of organic…

Q: ionization constant for water (Kw) is 2.9 x 10 ionization constant for water (Kw) is 9.311 x

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: What is the pOH of a solution that contains 5 x 10-° M HCI at 25°C? Express your answer in two…

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Q: 16.71 Which of the following ionic compounds will be more soluble in acid solution than in water:…

A: We have to find which of the following ionic compound is more soluble in acid than water

Q: b.) Calculate the pH of a solution made by mixing 20.0 mL of a 0.100M methanoic acid (CHOOH) with…

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Q: Does the neutralization enthalpy change depending on whether the acid or base is strong or weak? Why…

A: The reaction of 1 equivalent of H+ to 1 equivalent of OH- to produce 1 equivalent of H2O, is called…

Q: Given the data for the following separate titrations, calculate the molarity of the HCl:      mL…

A: Recall the formula V1M1= V2M2  Where V1 is volume of NaOH              M1  is molarity of NaOH…

Q: 10. Fill in the gaps in the following table: pH 4.20 [H*] (mol/L) [OH]] (mol/L) Acid/Base Sol'n? 1.9…

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Q: A 1-L unbuffered solution needs the pH adjusted from 7 to 1. How many mL of 12 molar HCI solution…

A: To find: Amount of 12M HCl solution required to change the pH of 1-liter unbuffered solution from pH…

Q: The kidneys function to help maintain blood pH. In one process they convert CO2 in the blood into…

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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: Select the mixture which is capable of tolerating the addition of a strong acid without altering the…

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Q: A solution has [H+] = 4.0 x 10–3 M. The [OH–] in this solution i

A: The given informations are, H+=4.0×10-3M

Q: What is the pOH of a solution that contains 6.1 x 105 M HCl at 25°C? Express your answer in two…

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Q: Calculate the pH of a solution that is 0.54 M HF and 1.00 M KF. Ka = 7.2x104 pH =

A: Given, Concentration of HF = 0.54 M Concentration of KF = 1.00 M Ka for HF = 7.2 x 10-4  PH = ?

Q: A 1-L unbuffered solution needs the pH adjusted from 6 to 1. How many mL of 12 molar HCl solution…

A: Step 1: Given that the initial solution is un-buffered with pH 6.  It has to convert to pH 1, by…

Q: In a titration experiment, 20mL of H;SO, was needed to completely neutralize 30ml of 0.2 N NaOH.…

A: H2SO4 is a diprotic acid and NaOH is monobasic base. 2NaOH+H2SO4 --->Na2SO4 + 2 H2O  2 moles of…

Q: How many grams of lactic acid and mL of 0.1M sodium hydroxide must be added to 100 mL of water to…

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Q: If you dissolved the salt ammonium cyanate, NH4(NCO), in water, what type of solution would you…

A: Ammonium cyanate [NH4(NCO)] is salt of weak base NH3 and weak acid HNCO Ka of HNCO = 2×10-4 pKa =…

Q: Four solutions of an acid dissolved in water are sketched below, as if under a microscope so…

A: The strength of acid depends upon the degree of dissociation of acid. So, higher the degree of…

Q: 4. Predict the pH of a solution that is made by mixing 25.00 mL of 0.100 M NH4OH (Kp = 1.80 x 105)…

A: Given,  25 ml of 0.1 M NH4OH And 17.50 ml of 0.1 M HCl Kb = 1.80x10-5 pKb = - log(1.80x10-5)…

Q: Four solutions of an acid dissolved in water are sketched below, as if under a microscope so…

A: The strength of acid depends upon the degree of dissociation of acid. So, higher the degree of…

Q: 2.  The ionization constant for acetic acid is 1.8 x 10-5. How many grams of NaC2H3O2 must be added…

A: The Henderson Hasselbalch equation for acidic buffer is given as :

Q: Consider the reaction between 50.0 mL of 0.10 M NaOH and 75.0 mL of 0.20 M HCI at 25°. Which of the…

A: Whenver an acid and base reacts with each other than they form salt and water and the process is…

Q: Calculate the final pH when the following pair of solutions is mixed: 100mL of 0.106 M hydrofluoric…

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Q: 1. What is the pH of a 0.000012 M KOH? 2. What is the Normality of a 1.0 M Ca(OH)2 solution

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Q: A 0.4-L unbuffered solution needs the pH adjusted from 10.0 to 3.0. How many microliters of a 5…

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Q: Consider a 0.015 M hypochlorous acid solution (Ka = 3.0 x 10-8). pH = a =

A: pH and α is calculated by dissociation of hypochlorous acid and using the value of Ka.

Q: What is the pOH of a solution that contains 5.6 x 10° M HCI at 25°C? Express your answer in two…

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Q: Consider a 0.020 M hypochlorous acid solution (K, = 3.0 x 10-8). pH = = %

A: Given that , Concentration of hypochlorous acod = 0.020 M  Dissociation constant , Ka = 3.0×10-8 pH…

Q: Use the scenario to answer the following question. A group of students working in a chemistry lab is…

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Q: What is the pH of a solution resulting from a mixture of 200 mL of 0.1 M NaOH and 100 mL of 0.3 M…

A: The question is based on the concept of equilibrium. we have been given two solutions of sodium…

Q: What is the pH of the solution that results from adding 24.7 mL of 0.11 M HCl to 25.2 mL of 0.41 M…

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Q: 4. Explain how you determine the pH when 15 ml of 0.100 M HCI is added to 25 ml of 0.080 M NH3 (Kb =…

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Q: If a saturated solution has a pH of 11.95 at 25 degrees C determine the mass solubility in g/100mL…

A: Given: Volume of solution= 100 mL pH= 11.95

Q: What is the effect of performing titration between 80-90 degrees Celsius?

A: Titration is the method to determine the concentration of an unknown solution with the help of a…

Q: What is the pH at 25 degrees celsius of a solution that results from mixing equal volumes of a 0.05…

A: Given, 0.05 M solution of ammonia and a 0.025 M solution of hydrochloric acid. The molarity of…

Q: What is the pOH of a solution that contains 5.4 x 10-5 M HCI at 25°C? Express your answer in two…

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Q: Calculate the pOH of a solution that results from mixing 32.09 mL of 0.18 M HCN(aq) with 33.8 mL of…

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Q: Calculate the pH of a solution made by mixing 4.7 g of HCl and 13.4 g of Ca(OH)2 in 0.45 L of water.

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Q: Determine the pH of the solution that results from mixing 0.100 mol of HCl with 0.400 mol of NH3.…

A: #(a):  Moles of HCl taken = 0.100 mol Moles of NH3 taken = 0.400 mol

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.