2. Which of the following is closest to the pH OF a solution containing 5 mM H,SO, ? А. 1 В. 2 С. 3 D 4

Q: Calculate the pH of a solution containing 0.00261 M hypochlorous acid (HCIO) and 0.00256 M sodium…

A:

Q: A solution is prepared at 25 °C that is initially 0.45M in methylamine (CH,NH,), a weak base with…

A: Solution- Here we have basic buffer with Kb ; basic ;  CH3NH2=0.45 M Acid; CH3NH3Br = 0.49M Kb= 4.4…

Q: Phosphoric acid is often added to colas to give them the tart flavor people like. RC Cola® has a pH…

A: Answer is

Q: of

A: According to the question, we need to calculate the pH of the following solution.    A. Here, pOH =…

Q: What is the pH of a solution prepared by dissolving 8.50 g C6H5NH3^+Cl^-in 750 mL of 0.258 M…

A: Given data is as follows: The mass of C6H5NH3+Cl- = 8.50 g The volume of C6H5NH2 = 750 mL The…

Q: A certain weak base has a ?b of .8.40×10−7. What concentration of this base will produce a pH of…

A: Assuming the weak base is monoprotic which can be written as BOH. Hence the dissociation reaction of…

Q: Find the pH of the solution containice 0.ou M H3PO4without neglecting it.fKaiiAxioKogi2.2x ,…

A:

Q: 1. What is the pH of an aqueous solution if the [OH -] = 1.35 x 10 -5 M? A. 8.87      B.  5.13…

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Consider HA (a weak acid) and HB (a weak base). 11) A 0.10 M solution of the weak base D has a pH…

A: Given: pH = 11.45 concentration of weak base = 0.10 M

Q: A chemist dissolves 345. mg of pure nitric acid in enough water to make up 150. mL of solution.…

A:

Q: A chemist dissolves 197. mg of pure sodium hydroxide in enough water to make up 170. mL of solution.…

A:

Q: 1) The pH of a solution is 3.4. Calculate [H3O+] for this solution. 2) Calculate the pKa of…

A:

Q: 6) a solution Boric Acid : %3D Calculate PH(? >eguilibri ?) um constant

A: H3BO3  + H2O  → H3O+  +  H2BO3- Given that,[H3BO3] = 0.200 M [H2BO3-] = [H3O+] = 1x10-5 M Calculate…

Q: Enough of a monoprotic weak acid is dissolved in water to produce a 0.0195 M solution. The pH of the…

A:

Q: I'm not sure how to solve 115. I saw one solution that used the ka to solve it, but I don't…

A: For polyprotic acids, the dissociation of acid occurs into multiple steps but the major dissociation…

Q: The pH for 0.185 M solution of an unknown weak base, B, is 12.95. Determine the value of Kb for the…

A: pH = 12.95 pH = 12.95pOH = 14-pH=14-12.95=1.05 OH-=10-pOH=10-1.05=0.089 M

Q: WCLN.ca 11. A 750. mL sample of nitrous acid (HNO2) has a pH of 2.35. How many grams of HNO2 were…

A: The question is based on the concept of equilibrium. we have been given PH and volume of the…

Q: MasteringChemistry: CHE154 S X This Mac can't connect to iCloud beca a problem with…

A: The salt when dissolved in water produces the solution with highest pH is to be determined Na3PO4…

Q: Calculate the ph of a solution that is made by dissolving 6.45g of NH4Cl(53.49g/mol) in enough water…

A: First calculate molarity by mole/volume. Then use weak base concept to get pH

Q: What quantity of moles of glucose (C₆H₁₂O₆) in 0.500 L of a 0.400 M solutions?     The pH of a basic…

A:

Q: how do you counstruct a pH curve for a triprotic acid? For example 75.00 mL of 0.137 M H3PO4 with…

A: The acid dissociation constants for phosphoric acid are quite different from each other with pKa's…

Q: What is the pH of a solution prepared by dissolving 3.00 g of the weak acid HA (molar mass - 13812…

A: Given that,  Amount of weak acid HA to be dissolved = 3.0 g Moles of weak acid HA to be dissolved =…

Q: 5. A solution contains 0.0085 M ammonia. What is the pH of this solution? For ammonia: Kb=1.8×105.

A:

Q: Gifblaar is a small South African shrub and one of the most poisonous plants knownbecauseit contains…

A: Given:pKa =2.59.concentration of H3O+= 0.00760 M

Q: Calculate the pH of 100.00mL of 0.20 M HCIO4 solution after 124.00 mL of KOH 0.20 M have been added.…

A: Given that: Volume of HClO4 = 100.0mL = 100.0ml×1L/1000ml = 0.1L Molarity of HClO4 = 0.20M Molarity…

Q: Calculate the pH of he following solutions. Enter the pH in the blank. 1. A solution with a hydrogen…

A:

Q: t.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator assignment-take ★ [Review…

A: The pH of an aqueous solution at 25 °C was found to be 12.00We have to calculate - The pOH of the…

Q: An aqueous solution of the weak base C of initial concentration 0.075 M has a pH = 11.85. Determine…

A:

Q: Write equations depicting the behavior of the following Arrhenius acids and bases in water Note:…

A: According to Arrhenius, all the chemical substances which release hydrogen ion in the aqueous…

Q: For a 0.450 mol L-1 solution of formic acid (HCOOH) answer the following questions. The Ka of formic…

A:

Q: Calculate the pH of a mixture containing 0.23 M HONH2 and 0.44 M HONH3Cl. (Kb = 1.1 × 10–8)  What…

A:

Q: -2.15 =,75 0.4 3x10-3 10. If 600 ml of a .7M HC2H3O2 is reacted with 800 ml of a .5M solution of…

A:

Q: Calculate the percent dissociation of propionic acid (C,H,CO,H) in a 0.16 M aqueous solution of the…

A: An acid dissociation constant can be defined as the quantitative measure that is used to describe…

Q: Calculate the percent dissociation of propionic acid (C,H,CO,H) in a 0.74 mM aqueous solution of the…

A: Given: The concentration of propionic acid (C2H5CO2H) is 0.74 mM or 0.74 x 10-3 M The pKa value of…

Q: 6.A 1L solution initially contains 0.4 mol of NH4+(Ka= 9.26 x10-10) and 0.6 mol of its conjugate…

A: we have to calculate pH of solution

Q: A solution is prepared at 25 °C that is initially 0.39 M in methylamine (CH,NH,), a weak base with…

A: Since the solution is made using weak base CH3NH2 and its salt CH3NH3Cl Hence the solution will be a…

Q: 11. An unknown weak base with a concentration of 0.0910 M has a pH of 12.40. What is the Kb of this…

A: We have to calculate the Kb of the base.

Q: A 0.562 M solution of a weak acid (HA) is made.  The solution has a pH of 5.14. Calculate the Ka of…

A:

Q: Calculate the pH of a mixture that contains 0.24 M of HCOOH and 0.14 M of HC,H,O. The K, of HCOOH is…

A: Given, Molarity of HCOOH = 0.24 M Ka of HCOOH = 1.8 × 10-4 Molarity of HC6H5O = 0.14 M Ka of benzoic…

Q: Calculate the pH after the addition of 60.0 mL of 0.3 M NaOH to 50.0 mL of 0.20 M LIN O 10.46 11.86…

A:

Q: Sherlock Holmes is restoring an art artifact. He proceeded by diluting nitric acid to 1.8 M, 0.25 M,…

A: Nitric acid is a strong acid. Hence it will dissociate completely into ions in solution as per the…

Q: Calculatefor the [H+] concentration:  3.7154

A: We have to find the concentration of H+ and OH- of solution with pH = 9.43 and tell whether solution…

Q: A certain weak base has a K, of 8.20 x 107. What concentration of this basc will produce a pH of…

A: Given, pH= 10.29 Kb = 8.20*10-7

Q: epared at 25 °C that is initially 0.059M in methylamine (CH,NH,), a weak base with K-4.4 x 1 NH,Br).…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: A solution is constituted by BrCH2COOH and BrCH2COONa. The sum of the concentrations of these 2…

A:

Q: 2. Which beaker would you expect to have the lowest pH? Why? A B C D

A: The given beakers are :

Q: A chemist dissolves 461. mg of pure barium hydroxide in enough water to make up 180. mL of solution.…

A:

Q: Calculate the pH of each of the following strong acid solutions: 15.00 mL of 1.00 M HCl diluted to…

A: Calculation of concentration of HCl solution after dilution : For dilution moles of solute before…

Q: op your selection from the following list to complete the answer: NaF HI HF HCI, KCI, H,NNH3…

A: Acidic solution has pH less than 7 Basic solution has pH greater than 7 and  neutral solution has pH…

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