Example 2What is the pH of the solution that results when 0.093 g of Mg(OH)2 Ksp = 7.1 × 10–12 is mixed with (a) 75.0 mL of 0.0500 M HCl? (b) 100.0 mL of 0.0500 M HCl? (c) 15.0 mL of 0.0500 M HCl? (d) 30.0 mL of 0.0500 M MgCl2?

Q: Part A The pH of a solution is the negative logarithm of the molar concentration of hydronium ion,…

A: Solution                         Given that Assuming each solution to be 0.10 M , rank the…

Q: The Ksp of aluminum hydroxide, Al(OH)3, is 2 × 10−31. What pH is required to limit the Al3+…

A: Al(OH)3 (s) ------> Al3+ (aq) + 3 OH- (aq) The Ksp of the reaction is given by  Ksp = [Al3+] X…

Q: What is the pH of a 0.30 M hypochlorite ion solution (CIO-)? The K, for hypochlorite ion is 3.3 x 10…

A:

Q: A) In the lab, you're working with a solution and measure it's pH with a meter to be 6.9. However,…

A: We know that, pH is the negative logarithm of hydronium ion concentration and pOH is the negative…

Q: The pH of a 1.00 × 10² M solution of cyanic acid (HOCN) is 2.77 at 25.0 °C. Calculate Ka for HOCN…

A: Solution :         The process of dissociation involves the segregation of molecules into smaller…

Q: What is the pH of a solution which is 0.021 M in weak base and 0.039 M in the conjugate weak acid…

A: We have a buffer system of weak base (0.021M) and conjugate weak acid (0 .039M) . We also have the…

Q: Consider a solution which is 0.20 M in CH3COOH and 0.10 M in CH3COONa. Which of the following…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .   it…

Q: When 14.08 mL of 0.1594 M NaOH is added to 25.00 mL of 0.1235 M HX (an unknown weak acid), the…

A:

Q: If an acid, HA, dissociates to 0.1% when added at a final concentration of 0.05M in water, that is:…

A: 1- First calculate the H3O+ ion concentration :  [H3O+] = ( Concentration ) × ( Degree of…

Q: Milk of Magnesia, a suspension of Mg(OH)2, a laxative, can be used as treatment for constipation…

A: We will first calculate solubility of Mg(OH)2 using Ksp ,then find grams of undissolved substance…

Q: Carbon dioxide in the atmosphere dissolves in raindrops to produce carbonic acid 1H2CO32, causing…

A: To find the range of [H+] and [OH-] in the raindrops can be given by, Since, Product of the both…

Q: What is the pH of a solution made by mixing 30.00 mL of 0.10 M HI with 40.00 mL of 0.10 M NaOH?…

A:

Q: NH3 is a weak base (?b=1.8×10^−5) and so the salt NH4Cl acts as a weak acid. What is the pH of a…

A: Given: Kb = 1.8 × 10-5              Concentration of solution = 0.056 M             Temperature = 25…

Q: Determine the pH of a 0.650 M solution of magnesium nitrite, Mg(NO2)2 at 25 °C. A solution…

A: Answer: Hydrolysis of the salt of weak acid and strong base or strong acid and weak base takes place…

Q: The pH of 225 mL of a 0.227 M solution of unknown weak base is 12.97. What is the Kb of this base?…

A:

Q: 3a.) The Ka of acetic acid is 1.8 x 105. Calculate the pH of the following solutions: a. A solution…

A: The solution mentioned here is a buffer as it is comprised of a weak acid and its salt. As per the…

Q: ydroiodic acid often is used to disinfect and sanitize medical tools and products. In an experiment,…

A: 1. the hydronium ion concentration of the resulting diluted solution = 0.15M 2. the pH of the…

Q: HCIO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a…

A: Kw = Ka x Kb  Kw = 1x10-14  given that Ka = 4x10-8 find Kb = (1x10-14) / (4x10-8) = 2.5x10-7 Initial…

Q: Strong and Weak Acids and Bases Citric acid is a stronger acid than carbonic acid. Which has a…

A: The acidic or basic nature of a solution is determined by its pH value. pH measures the…

Q: If the Kb of a weak base is 5.7 × 10-6, what is the pH of a 0.16 M solution of this base?

A: From the relation, pOH is calculated as,

Q: What is the pH of a solution that is 0.33 M KOCN and 0.10 M HOCN (cyanic acid)?

A: pH is mathematically defined as negative logarithm of hydronium ion. pH=-log(H+).…

Q: Acetominophen, HC8H8NO2 (MM=151.17 g/mol), is the active ingredient in Tylenol, a common pain…

A: The  question involves concept of equilibrium. we have been given pH of the solution. We have to…

Q: The pH of solution of Ba(OH)2is 10.66 at 25oC. What is the hydroxide ion concentration in the…

A: Given that, pH of solution is 10.66

Q: The Ka of hypobromous acid, HOBr, is 2.6x10-9. Calculate the pH of a solution which is composed of…

A: Given :-  [HOBr] = 0.40 M  [NaOBr] = 0.40 M Ka for HOBr = 2.6 × 10-9  To calculate :-  pH of…

Q: If the KaKa of a monoprotic weak acid is 2.9×10−6,2.9×10−6, what is the pHpH of a 0.36 M0.36 M…

A: Given that 0.36 M monoprotic weak acid is present. Ka value is given as 2.9×10-6. The equation used…

Q: Can you please answer this question and all of the sub problems and show all of the steps to the…

A: a). Molarity of lithium hydroxide =Mass of LiOHMolar mass of LiOH×Volume of solution )L=4.8 g23.95…

Q: What is the pH of a solution that is 0.32 M KOCN and 0.10 M HOCN (cyanic acid)?

A: Since cyanic acid is a weak acid with pKa = 3.46  And the solution is having HOCN i.e cyanic acid…

Q: E. Bob has a bottle of Chloric Acid that had a molarity of 0.5 and there was 400 ml of it in the…

A: Solution :  pH       pH is a quantitative measure for the acidity or basicity of the solution. This…

Q: What will be the pH of 0.025 M NaOH solution in H2O at 60 °C? (KW60°C = 1.0 x 10-11) A. 1.6 B. 9.4…

A:

Q: The value of K, for benzoic acid is 6.30×10-5. What is the value ofKg, for its conjugate base,…

A: Given: For Benzoic acid  The value of Ka = 6.30 x 10-5  For Conjugate base, C6H5COO- The value of Kb…

Q: NH3 is a weak base (?b=1.8×10^5) and so the salt NH4Cl acts as a weak acid. What is the pH of a…

A:

Q: How do I use the amounts of the acid and base in mL with the M concentrations to find the pH?

A: Acid-base neutralization reactionsThis is a typical acid-base reaction, wherein a strong acid…

Q: The ionization constant, Ka, for weak acid, HA, is 3.96 × 10-10, What is the pH of a 0.5213 M…

A: Ka = 3.96 x 10 —10

Q: (a) What is the pH of 0.75 M NaF?(b) What is the pH of 0.88 M pyridinium chloride, C₅H₅NHCl?

A: a) The pH of 0.75 M NaF is 8.52.

Q: What is the concentration of hydroxide ion in a 0.57 M aqueous solution of hydroxylamine, NH2OH?…

A: The equation for the dissociation of hydroxylamine

Q: The ionization constant, Kb, for weak base, B, is 5.47 x 10-8. What is the pH of a 0.9543 M solution…

A: Given, B(aq) + H2O(l) = BH+(aq) + OH-(aq) B is a weak base. Kb for B = 5.47 x 10-8 Concentration of…

Q: Calculate the pH of 0.750 M pyridinium chloride, C5H5NHCl? Given Kb of C5H5N is 1.70×10-9.

A:

Q: The Ka value for acetic acid, CH,COOH(aq), is 1.8 × 10-5. Calculate the pH of a 1.20 M acetic acid…

A: Acetic acid dissociates as: CH3COOH→CH3COO-+H+

Q: What is the concentration of hydroxide ion in a 0.76 M aqueous solution of hydroxylamine, NH2OH?…

A: Given data set: Molarity of NH2OH= 0.76 M Kw= 1*10-14 Kb = 1.1*10-8 we need to calculate the…

Q: What is the pH of 0.025 M aqueous acetate ion? (Kb of CH3C

A: According to Ostwald’s Dilution Law and the pH (& pOH) scales, we can derive pOH =…

Q: A particular base has Kb= 4.4*10^-4. What is the pH of 0.35M solution of this base ?

A: Since the Kb value is less so the dissociation of base is very less and it is assumed that the…

Q: 1. (1 point) The [H+] of°coffee is about Ix 10. Its pH is 2. (1 point) The [OH-] of baking soda is…

A: Required formulas: pH = -log[H+] pOH = -log[OH-] pH + pOH = 14

Q: during the healing process. A codeine tablet dissolved in water creates a 0.022 mol/ aqueous…

A: Concentration of Codeine = 0.022 mol/L pH = 10.61 The Kb for codeine is to be calculated.

Q: Referencen) What volume of 0.0830 M NaOH must be added to 100. mL of 0.100 M NAHC0, to reach a pH of…

A: Volume of NaOH needed can be calculated from the Henderson hasselbalch equation the concentration of…

Q: has a pH of 11.30. How many grams of NaCN are in 865 mL of a solution with the same pH? Kb (CN–) =…

A:

Q: The pH of a normal raindrop is 5.60. Compute the con- centrations of H,CO;(aq), HCO; (aq), and CO3…

A:

Q: 6) The value of Kw at 37 °C (human body temperature) is 2.1 x 10-14. a) At this temperature what is…

A:

Q: (Q12) Hydrazoic acid (HN3) is a weak acid with a Ką of 2.5 x 10³. What will be the equilibrium pH of…

A: We need to calculate the pH of hydrazoic acid at equilibrium

Q: NH3 is a weak base (Kb = 1.8 × 10–5) and so the salt NH4Cl acts as a weak acid. What is the pH of a…

A: Dissociation constant of base is given by,

Q: What is the pH of a solution obtained by mixing 0.59 L of 0.100 M  Ba(OH)2 and 0.10 L of 0.118 M…

A: Acid and base are the chemical compounds which upon adding in water change the pH value accordingly.…