What is the pH of 500 mL of water after the addition of 1 mL of 2M NaOH? HINT: you cannot use H-H equation for this question, but use Kw=10-14= [H+]*[OH-] (and c1v1=c2v2) 12.7 0.004 11.6 2.4 What is the pH of a 1 L solution to which has been added 3 mL of 3 M boric acid and 2mL of 1 M sodium borate? (pK of boric acid is 9.24) 9.89 9.46 9.02 8.59 9.24

Q: Q-4- Explain in detail Two of the following. 1- Calculate the pH of 0.1 M ammonium chloride. pkb…

A: The question is based on the concept of chemical equilibrium and solutions. we have to calculate pH…

Q: Consider the Ka information to answer parts a-b. Ka 7.2 x 10 * K 4.2 x 10- Formula Kat 6.3x 10 a.…

A: Answer:- This question is answered by using the simple concept of calculation of Ka and Kb value…

Q: Lab 6 A solution has (OH concentration equal to 4.78 x 10 1 What is the pH? Please put answer in box…

A: Answer

Q: What is the pH of a solution prepared by dissolving 3.00 g of the weak acid HA (molar mass- 138.12…

A: pH of the solution indicates that the solution is acidic or basic in nature.  If the pH of the…

Q: Given Ka for HNO2 = 5.0 * 10 ^ - 4 1. What is the pH after the reaction of 30.0 mL of 0.25 M HBr…

A: Q1) According to the law of equivalence, an acid exactly neutralizes the same number of equivalents…

Q: Researchers have shown that hypochlorous acid (HCIO) generated by white blood cells kills bacteria.…

A: From Ka, α can easily be found. Then by multiplying the concentration with α, we can find the conc…

Q: A 50.00-mL sample of a 1.00 M solution of the diprotic acid H2A (Ka1 = 1.0 × 10–6 and Ka2 = 1.0 ×…

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Q: What is the pH of the resulting solution if 45.00 mL of 0.10 M acetic acid is added to 10.00 mL of…

A: Given data contains, Volume of acetic acid is 45.00mL. Molarity of acetic acid is 0.10 M. Volume of…

Q: Consider a 1.0-L solution that is 0.280 M C5H5N and 0.46 M C5H5NHCl at 25 °C. What is the pH of this…

A: The question is based on the concept of PH calculation. using henderson equation, we calculate…

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Q: Identify each of the following substances as a strong acid, a weak acid, a strong base, a weak base,…

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Q: Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as…

A: Given: Kb of HONH2 is 9.1 x 10-9. Concentration of HONH2 is 0.025M.

Q: Like all equilibrium constants, the value of Kw depends on temperature. At body temperature (37 °C),…

A: The answer to the following question is given as:

Q: What is the pH of the solution when 50.0 mL of 2.5 M NaOH has been added to the 0.100 mol of formic…

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Q: A 0.0 mL solution contains 0.150 M NaCIO and 0.200 M HCIO. What is the pH of this solution before…

A: [NaClO] = 0.150 M [HClO] =0.200 M Ka of HClO = 2.9 × 10-8 pKa = - log Ka       = - log 2.9 × 10-8…

Q: What is the pH of a solution that is 0.33 M CH3NH2 (methylamine) and 0.52 M CH3NH3Cl (methylammonium…

A: Since we have weak base CH3NH2 and its conjugate acid CH3NH3Cl in the solution. Hence the solution…

Q: When 0.20 mol of NaOH is added to 0.50 mol of weak acid HX, in a total volume of 1.00 L, the pH of…

A: This acid - base reaction between NaOH and weak acid HX form a buffer solution. So we will use…

Q: Q4: 30 ml with 0.2 M HOAC is diluted to 100 ml and titrated with 0.1 M NaOH. Calculate the pH when…

A: When half of acid is neutralized, it will form an acidic buffer solution in which [Acid ] =…

Q: If 25.00 mL of a 0.09864 M CH3COOH (Ka = 1.8 x 10-5 ) solution is titrated with a 0.1027 M NaOH…

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Q: Can someone answer this question? My friends have three different answers 3.6, 3.47, and 1.6. Who is…

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Q: 13. A 200-mL of NaOH solution was added to 400 mL of a 2.00 M HNO2 solution. The pH of the mixed…

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Q: A diprotic acid, H₂A, has Ka1 = 3.4 x 10-4 and Ka2 = 6.7 x 10-⁹. What is the pH of a 0.27 M solution…

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Q: What is the pH of a solution that is 0.25 M CH3NH2 (methylamine) and 0.43 M CH3NH3Cl (methylammonium…

A: pH is the negative logarithm of hydronium ion. Henderson Hasselbalch equation for weak base: pKb…

Q: The acid dissociation constants for sulfurous acid are: Ka1 = 1.2 x 10-2 and Ka2 = 6.6 x 10-8 (a)…

A: Given, Acid dissociation constants of H2SO3 are: Ka1=1.2×10-2Ka2=6.6×10-8

Q: FRQ1: Consider the titration of 25.00 ml of 0.08 M of a weak acid, HA, with 0.125 M NAOH. Calculate…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: For a 5.55-102 M solution of H₂CHO calculate both the pH and the CH4O2 ion concentration. State…

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Q: Calculate the pH of 2.8 x 10^-4 M Ba(OH)2. 2. Calculate the pH of a 0.26 M methylamine solution. Kb…

A: 1. Calculate the pH of 2.8 x 10-4 M Ba(OH)2. 2. Calculate the pH of a 0.26 M methylamine solution.…

Q: What is the pH of a 0.2 M solution of each of the following (for this question, assume only the…

A: Given,  The pH of 0.20 M solution of Acetic acid (CH3COOH) Ka = 1.8 x 10^-5 Sodium acetate…

Q: a) What is the pH of a solution prepared by adding 11.1 mL of 0.50 M NaOH solution to 200. mL of a…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: Consider the following solutions: Solution 1: 0.100 L of 0.25 M NaCH3CO2 + 0.050 L of 0.25 M HCl…

A: # Solution-1: Volume of 0.25 M  NaCH3CO2 = 0.100 L Moles of NaCH3CO2  = C*V= 0.25 molL * 0.100 L=…

Q: The pH of blood is 7.4. What is the ratio (to one decimal place) of bicarbonate (conjugate base) to…

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Q: The following pictures represent aqueous solutions of three acids HX, HY and HZ, where: A¯ may be…

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Q: Formic acid is a monoprotic acid with a Ka of 1.8 x 10-4. What is the pH of the original 0.40 M…

A: we need to calculate the initial pH of formic acid

Q: What is the pH of a solution that is 0.11 M CH3NH2 (methylamine) and 0.15 M CH3NH3Cl (methylammonium…

A: Since the solution is having weak base CH3NH2 and its conjugate acid salt CH3NH3Cl  Hence the…

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.