CHEMWORKConsider a 0.58 M solution of NH3 (Kb = 1.8×10-5).Mark the major species found in the solution.NH3TrueH+FalseOHH₂ONH4+Calculate the pH of this solution.pH =Submit

Please note that NH_3 is a weak base so it will not dissociate completely.The major species…

Answered: CHEMWORK Consider a 0.58 M solution of…

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Answer the 2 questions below: Determine both the H and the pH in a 0.0088 M solution of HCIO, at 25 °C? (H*)= Type your answer here M pH = Type your answer here Determine both the OH and the pOH in a 0.0032 M solution of Ba(OH)2at 25 °C? OH]= Type your answer here M pOH = Type your answer here Unanswered 梦 $ a hp prt sc delete backspace
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Conjugate acid of any base is defined as the species formed when the base accepts a proton. And the conjugate base of any acid is defined as the species formed when the base donates a proton. Hence in the conjugate acid-base pair, there will be a difference of 1 proton only. In the above reaction, the base NH3 is accepting a proton from the acid HF to form + NH4* ions. Hence NH3/NH4* is a conjugate acid-base pair. And the acid HF is donating a proton to form the conjugate base F. Hence HF/F is a conjugate acid-base pair. Hence the answer is NH3/NH4* & HF/F". ANSWER IN NO. 4
Consider the following data on some weak acids and weak bases: acid base Ka K₁₂ name formula name formula hydrofluoric acid HF 8 × 10 4 ethylamine C2H5NH2 6.4 × 101 hypochlorous acid HClO 3.0 × 10 ammonia NH3 1.8 × 10-5 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution 0.1 M NaCIO PH choose onev 0.1 M NH4Cl choose onev 0.1 M C2H5NH3Br choose one 0.1 M KF choose one Х
Calculate [OH ], H*], and the pH of 0.37 M solutions of each of the following amines ( Kb for aniline is 3.8 х 10 10 K, for methylamine is 4.38 x 10-4). a. aniline [OH ]: M [H*] =( M pH b. methylamine = [_HO] |M [H*] =C |M pH
Construct the expression for Ka for the weak acid, HCSH-O4. HC-H-O:(aq) + H2O(I) = H:O*(aq) + C»H;Os (aq) 1 Based on the definition of Ka, drag the tiles to construct the expression for the given acid. Ка RESET [H:O] [H.O*] [OH] [HC-H.O:] [H:C»H÷O.] [CH:O.] 2[H:O] 2[HO*] 2[OH] 2[HCH.O:] 2[H:C»H-O.*] 2[CH-O.] [H:O]? [H.O*j? [OH-P [HC»H-O.JP [H:CH.O.*]? [CH:O.?
HE154 S20 Ch17 Sec7-9 Later iCloud Preferences... r Practice 17.12- Enhanced - with Feedback • Part A Find the [OH-] of a 0.50 M pyridine (C5 H5N) solution. (The value of K for pyridine (C5 H,N) is 1.7 x 10-9.) Express your answer to two significant figures and include the appropriate units. НА [ОН ]- Value Units %3D Submit Request Answer v Part B Find the pH of a 0.50 M pyridine (C5 H5N) solution.
< Which of the following 1.0 M solutions would have the highest pH? Weak Acid HCN HNO₂ HIO HBrO C6H5COOH Ka 4.9 x 10-1⁰ 4.5 x 10-4 2.3 x 10-¹1 2.5 x 10-⁹ 6.3 x 10-5 Question 5 of 11 Tap here or pull up for additional resources Weak Base HONH, NH3 CoHsNH, H₂NNH₂ C5H5N A) KCN B) C5H5NHCI C) NalO D) NH₂Br Submit
Use the following table to predict the best acid / base pair for the desired pH/pOH value:pH = 5.00What is the best acid AND base pair? Name Acid Base pKa Hydrochloric acid HCl Cl- -7.00 Phosphoric acid H3PO4 H2PO4- 2.12 Hydrofluoric acid HF F- 3.18 Lactic acid Lactic acid Lactate 3.85 Acetic acid CH3COOH CH3COO- 4.74 Carbonic acid H2CO3 HCO3- 6.36 Dihydrogen phosphate H2PO4- HPO42- 7.21 Ammonium NH4+ NH3 9.25 Hydrocyanic acid HCN CN- 9.31 Bicarbonate HCO3- CO32- 10.25 Methylammonium ion CH3NH3+ CH3NH2 10.62 Hydrogen phosphate HPO42- PO43- 12.38
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CHEMWORK Consider a 0.58 M solution of NH3 (Kb = 1.8×10-5). Mark the major species found in the solution. NH3 True H+ False OH H₂O NH4+ Calculate the pH of this solution. pH = Submit