4. HA is a weak monoprotic acid that dissociates according to the equation HA(aq) 2 H* (aq) + A (aq) K, = 9.0 x 106 If the initial concentration of HA is 1.0 M, find the concentration of H*. Justify your answer. A. 9.0 x 10 M В. 4.5 х 103 М C. 3.0 x 10 M D. 1.0 M

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Q: What is the hydronium-ior encentration in a solution forned by combining 450 mL of 0.10 M NaOH with…

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Q: If 350.0 mL of 0.450 M Ca(OH)2 are added to 380.0 mL of 0.550 M HCl. Ca(OH)2 + 2HCl → CaCl2 + 2H2O…

A: Given that: Volume of Ca(OH)2 = 350.0 mL Concentration of Ca(OH)2 = 0.450 M  Volume of HCl = 380.0…

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A:

Q: A solution contains 1.37×10² M potassium phosphate and 1.21×10²M sodium hydroxide. Solid aluminum…

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Q: 0.261 g of potassium hydrogen phthalate (KHP) was titrated with NaOH. When 16.8 mL of the NaOH had…

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Q: Which of the following is an acid base reaction?

A: 1. Precipitate reactions: In these reactions to soluble ionic compound solutions are reacted to give…

Q: mL NaOH

A:

Q: CHEMWORK When the following solutions are mixed together, what precipitate (if any) will form? Note:…

A: To solve this problem we have to complete the given chemical equation .

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Q: Which of the following reactions is an example of a redox reaction? A. CaO(s) + H2O(l) --> Ca(OH)2…

A: Redox Reaction :- As the name suggest that redox reaction are those in which reduction and oxidation…

Q: 4. If 14.5 mL of calcium hydroxide solution is combined with 22.2 mL of 1.5 mol/L phosphoric acid…

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Q: Consider three hypothetical solids:AX,AX2 and AX3 (each X forms X). Each of these solids has the…

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Q: A 520 mL of 9.2 M HNO3(aq) needs to be diluted to 2.1 M.  Find the volume of the diluted HNO3(aq):

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Q: 1. A sample of 23.4 grams of sodium hydroxide is mixed with 18.7 grams of lithium sulfide, producing…

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Q: 4. Write the balanced molecular, ionic, and net ionic equations for the following reactions. Is it…

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Q: 25. Use the reaction: 2AgNO3(aq) + H2SO4(aq) → Ag2SO4(s) + 2H2O(1) 2 HNO3(aq) What volume of 0.123 M…

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Q: 1. It takes 28.45 ml of an HCI solution to completely neutralize 0.1586 grams sample of Na2CO3…

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Q: color.  What is the concentration of the NaOH solution? The molar mass

A: At equivalent point,  Geq. of NaOH  = Geq. of KHP N1V1 = N2V2 M × 16.8 /1000 = 0.261/204 M = 0.076M

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Q: A 26.4 g sample of 41.0% (NH4)2SO4 (s) requires what volume of 0.0500 M NaOH (aq) for complete…

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Q: H,SO,(aq) + Ba(OH),(aq)→

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

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.