30cm3 of 0.1M potassium hydroxide solution required 15cm3 of 0.1M acid HnX for complete neutralization. Determine the basicity of the acid.

Q: 4. Calculate the pH of a solution prepared by mixing 15.0 mL of 0.10 M NaOH and 30.0 mL of 0.10 M…

A:

Q: Calculate pH of the solution, if it is know that 250 mL of it contains 0.305 grams of pure benzoic…

A: Given :-  Mass of benzoic acid = 0.305 g  Volume of solution = 250 mL   To calculate :  pH of…

Q: What is the pH of a solution made by mixing 25.00mL of .1500M NaOH with 25.00mL of .2500M HClO2?

A: HClO2 is Chlorous acid which is a weak acid. Weak acid dissociate weakly in aqueous solutions.…

Q: 1) Determine the Ka of a weak monoprotic acid. .00020 mole are dissolved in 100.0 mL solution. 20.0…

A:

Q: What is the pH of an aqueous solution that consist 40.0 mL of 0.050 M HI and 30.0 mL solution…

A: Mixture of strong and weak acid will release proton. The strong acid will release according to its…

Q: redict whether aqueous solutions of the following compounds are acidic, basic, or neutral. compound…

A: The Salt of weak acid and strong base has pH greater than 7 so solution is basic in nature. The Salt…

Q: A 0.18-M solution of a weak acid is 2.4% dissociated. Calculate K.. K.

A:

Q: Which acid is the strongest when dissolved in water? K, values are listed next to the acid. Select…

A: According to Arrhenius concept,An acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: Calculate the [OH-] and pH of a mixture formed by adding 50.0 mL of 0.0.20 M HCl to 150 mL of 0.010…

A: Given : Concentration of HCl = 0.020 M                                                     (Assuming…

Q: 1.33 mol HF is added to enough 0.434-M NaF solution to give a final volume of 1.7 L. What is the pH…

A: The pH of this buffer solution can be determined by using Handersson hasselbalch equation for weak…

Q: What is the pH of the solution obtained by mixing 65.00 mL of 0.220 MM HCl and 60.00 mL of 0.125…

A:

Q: Payalben

A: The objective of this question is to calculate the pH of a solution resulting from the mixture of…

Q: what is the pH of a solution made by mixing 15.00 mL f 0.2M sodium hydroxide with 15.00 mL of 0.2M…

A:

Q: olution is prepared by mixing 420 mL of 0.200 M NH3 and 295 mL of 0.200 M HCI. Assuming that the…

A: Volume of NH3 = 420 ml   Molarity of NH3 = 0.200 M   Volume of HCl = 295 ml   Molarity of HCl =…

Q: what is the pH of buffer solution containing 10.0g ammonium chloride to 250 mL of 1.0M ammonium…

A:

Q: e pH

A:

Q: A solution containing 572.0mL of 0.6300MHCl is diluted to a volume of 1.000L. What is the pH of this…

A:

Q: How many grams of CH3COONa must be added to 1.00 L of a 0.100 M CH3COOH solution in order for the pH…

A: The total volume of the solution is 1.00 L. The concentration of CH3COONa in order to have a pH of…

Q: What is the pH of a solution containing 1 mM of a strong acid (e.g., hydrochloric acid)?

A: pH is calculated by using the formulapH= - log [ H+ ] Where [ H+ ] = Hydrogen ion concentration

Q: Calculate the pH of a solution obtained by mixing 500.0 mL of 0.10 M NH3 with 200.0 mL  of 0.15 M…

A: The reaction of NH3 with HCl is as follows: NH3+HCl→NH4Cl Calculation of no. of mol of NH3:…

Q: Which of the following species cannot act as a Lewis base? A) NH- B) CH4 C) NH3 D) H2S E) S2-…

A:

Q: A solution contains 8.14x10-2 M ammonium bromide and 0.460 M ammonia. The pH of this solution is

A: Basic Buffer solution :- An equi molar mixture of a weak base and its salt with strong acid is known…

Q: A 0.015 M solution of a weak acid, HA, is 17% dissociated. Calculate the Ka of the acid.

A:

Q: 2) CalculatethepHduringthetitrationof15.00mLof0.1000MSr(OH)2with0.1000MHBr solution after 29.00 mLs…

A: Molarity of Sr(OH)2 = 0.1 M volume of Sr(OH)2 = 15 mLMolarity of HBr= 0.1 M volume of HBr = 29 mLBy…

Q: What will the pH be when 50 mL 0.01 M acid with pKa of 1.0*10^(-0.5) is mixed with 1. 25 mL 0.01M…

A: No. of moles = Molarity*Volume Moles of acid= 0.01 * (50 mL / 1000 mL/L)= 0.0005 molesCalculation of…

Q: Identify the Lewis acid and the Lewis base. *o*• Ïx is the (Choose one) Lewis acid Lewis base is the…

A: Lewis acid is a species which has a tendency to accept lone pair of electrons.Lewis base is a…

Q: What is the pH of a solution of 0.85M HC2H3O2 and 0. 65M NaC2H3O2? The Ka for HC2H3O2 is 1.8 x 10^-5

A: Buffer Solution :- Buffer solution is prepared using weak acid and it's conjugate base of the weak…

Q: What is the relationship of the main component of each liquid sample to the acidity and basicity of…

A: 1. Rubbing alcohol- Rubbing alcohol can be slightly acid, alkaline or neutral in nature. Its pH can…

Q: Calculate the pH for each of the following cases in the itiration of 25.0 mL off 0.200 M NH3 (aq)…

A:

Q: What is the resulting pH when 0.013 moles of HCl is mixed with 0.0202 moles of NaOH in 0.28 L?

A: When an acid reacts with an base, it gives salt and water. This reaction is known as neutralization…

Q: What is the pH and pOH of a solution made by adding 10.0mL of 0.034 M HNO3 to 10.0 mL of 0.028 M…

A: Given,molarity of HNO3 = 0.034 MVolume of HNO3 = 10.0 mLMolarity of KOH = 0.028 MVolume of KOH =…

Q: What is the pH of a solution prepared by mixing 35 mL of 0.089 M Ba(OH)2 and 47 mL of 0.37 M KOH?…

A: For Ba(OH)2 solution, Concentration of Ba(OH)2 solution = 0.089 M = 0.089 mol/L Volume of Ba(OH)2…

Q: 1. Calculate the pH: a) 0.005 n acetic acid solution; 2. What is the concentration of OH' ions in…

A: In this question, we have given some solutions. pH is a scale which measures the molar concentration…

Q: (ii) [H a) Write a chemical equation that illustrates the auto- ionization of water. (b) Write the…

A: a) Auto-ionisation reaction means the reaction in which the ions are formed by the reaction of 2…

Q: Hygrogen cyanide gas (HCN), a power respiratotoxic, inhibitor, is highly  toxic.   It is a very weak…

A: HCN reacts with NaOH as follows:    HCN + NaOH → NaCN + H2O 1 mole of HCN reacts with 1 mole of NaOH…

Q: Phenolphthalein is an acid–base indicator. In solutions of pH < 8.5, it is colorless; in…

A: Phenolphthalein exists in the acidic form below the pH 8.5 at which no polar hydrogen atom is…

Q: Calculate the pH if 68mL of 0.150M ethylamine (pKb=3.252) is added to 68 mL of 0.128 M KOH. Assume…

A: Ethylamine is a weak base with pKb of 3.252. KOH is strong base. There is no reaction between strong…

Q: expline buffer systems and acid-base titration curves    defthe Arrhenius, Bronsted-Lowry, and…

A: Note: As per guidelines can answer the first question. I was given an explanation for buffer systems…

Q: What is the pH of a solution formed by the combination of 50.0 mL of 0.20M NaOH and 25.0 mL of 0.40…

A: Number of moles of HCl and NaOH is calculated as follows,1 mL = 0.001 L

Q: the pH when15 mL of 0.25 M HClO4 are added to 25 mL of 0.20 M NaOH.

A:

Q: Acid strength decreases in the series HI > HSO4 > HF > HCN. Which of these equal molar salt…

A: The salt which produced weakest acid will show highest pH.

Q: What is the pH of the resulting liquid: 13.0 mL 61.0 mM HNO3 and 12.0 mL 39.0 mM HBr? Please show…

A: Volume of HNO3 = 13 mL = 0.013 L Molarity of HNO3 = 61.0 mM = 0.061 M Volume of HBr = 12 mL = 0.012…

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.