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Apr 13, 2013 · Consider the titration of 39.4 mL of 0.235 M HF with 0.205 M NaOH. Calculate the pH at each of the following points. A)How many milliliters of base are required to reach the equivalence point? I got the answer 45.2 mL. B)Calculate the after the addition of 9.85 mL of base? C)Calculate the pH at halfway to the equivalence point? D)Calculate the ...

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Jan 16, 2018 · Reaction: Materials required: 1) Whattmann no. 1 filter paper (40 X20cm) 2) Microsyringe or capillary tube 3) Hair dryer 4) Sprayer 5) Chromatographic chamber 6) Developing solvent : Butanol: glacial acetic acid: water(4:1:1) 7) Ninhydrin reagent: 0.1 % in acetone 8) Standard amino acids: 1mg/ml in 10% isopropanol 0r 0.1 N HCl 9) Unknown sample ... Find out how to calculate the amount of an acid of known concentration needed to neutralize a base of Solving an Acid-Base Neutralization Problem. What volume of 0.075 M HCl is required to Make sure you convert milliliters of solution to liters when you calculate the molarity of your solution!

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12. What volume of 0.924 M Na 2 SO 3 is required for the production of 350.0 mL of SO 2 at STP? 2HCl + Na 2 SO 3(aq) + 2NaOH (aq) → 2NaCl (aq) + H 2 O (l) + SO 2(g) 1.69 x 10-2 L . 13. How many milliliters of hydrogen at STP can be generated by 500.0 mL 6.2 M NaOH completely reacting with excess Al. A 0.250 M solution of sulfuric acid (H 2 SO 4) is to be reacted with a solution of sodium hydroxide via a double-displacement reaction to make sodium sulfate and water. 50.0 mL of the H 2 SO 4 solution reacts with 25.0 mL of the NaOH solution. What is the molarity of the NaOH solution? (A) 0.0625 M (B) 0.125 M (C) 0.250 M (D) 0.500 M (E) 1.00 M

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How many moles of KBrO3 are required to prepare 0.0700 moles of Br2 according to the reaction The mass (in grams) of FeSO4 7H2O required for preparation of 125 mL of 0.90 M solution is How many milliliters of 0.200 M NH4OH are needed to react with 12.0 mL of 0.550 M FeCl3?

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(c) Calculate the pH of a solution made by combining 40.0 milliliters of 0.14-molar HOCl and 10.0 milliliters of 0.56-molar NaOH. (d) How many millimoles of solid NaOH must be added to 50.0 milliliters of 0.20-molar HOCl to obtain a buffer solution that has a pH of 7.49? *1. *Determine the number of grams of NaOH needed to make 100 mL of a 1 /M/ NaOH solution. /(0.1 L)(1M) = 0.1 mole of NaOH required/ /0.1 mole (40.0 g/mole) = 4 grams/ *2.* If 24.3 mL of 0.085 /M/ NaOH solution are needed to completely. neutralize 15.5 mL of an unknown acid, what is the concentration of the. acid solution? / (0.243)(0.085) = (0 ...

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Answers! 2.14 x 10-2 mol HCl 5.56 x 10-2 mol NaOH 29.9 mL 0.7819 M RbOH 0.6180 M Ba(OH)2 32 mL NaOH Buffers Buffers have many important biological functions. They keep a solution at a constant pH, when manageable amounts of acid of base are added. A volume of 31.7 cm 3 of a 0.1-normal NaOH is required for the neutralization of ... 0.2 mol M = 4.2 Concerning the molar masses of alkali metals, only lithium can ... How many grams of borax `(Na_2B_4O_7.10H_2O)` are required to neutralise 25 " mL of " 0.2 M HCl and `H_2SO_4` separately? More Related Question & Answers How many grams of NaHSO_(3) will be required to react with one litre of NaIO_(3) solution containing 5.8 g NaIO_(3) according to the reaction?

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Find (I) how much HNO3 could be made from 5 lbs. of N205 (see Chemistry, page 44, note); (2) how much H20 is contained in that amount of HNO3. The difference between the weight of the nitric anhydride and that of the nitric acid will show the amount of water required to furnish the H. (I). N.0: 2(H-Oo): 5 lbs.:. Io8: 125:: 5 lb.:x. How many grams of NaOH will be required to neutralise 12.2 g benzoic acid ? 700+ Views | 40 Likes. How many millilitres of 0.02 M `KMnO_(4)` solution would be required to exactly titrate 25 mL of 0.2 M `Fe(NO_(3))_(2)` solution in acidic medium ?(5) When 100 mL 0.50 M H 2 SO 4 is completely neutralized with 0.25 M NaOH, how much of this NaOH solution is needed? (1) 50 mL (2) 100 mL (3) 200 mL (4) 300 mL (5) 400 mL (4) The pH of 5.0 ´ 10 3 M H 2 SO 4 is