4.79 You want to an add HCl(aq) to volume of a 0.15 the silver ions f (b) You could ad AgCl(s). What m ions from 15.0 that a 0.150 MH that KCI costs $

Q: Consider the reaction: CaCl2(aq) + 2A9NO3(aq) → Ca(NO3)2(aq) + 2A9CI(s) How many grams of CaCl,…

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Q: Suppose you are titrating a solution of sodium oxalate, which has a molar mass of 134 g/mol, with a…

A: No of moles of KMnO4 = Molarity x Volume in L                                       = 0.0375 mol/L x…

Q: 9- In the following reaction, The spectator ions are Pb(NO,),(aq) + 2NACI(aq) PbCl, (s) 2NaNO (aq)

A: An aqueous solution of lead nitrate reacts with an aqueous solution of sodium chloride to form…

Q: How many grams of precipitate are formed when 85 mL of 0.50 M FeCl, reacts with excess AGNO, in the…

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Q: Consider the following chemical reaction: HBr(aq) + NaOH(aq) → H2O(l) + NaBr(aq)   25.00 mL of an…

A: Given that, Volume of HBr = 25.00 mL Volume of NaOH = 28.45 mL Molarity of NaOH = 0.1500 M The given…

Q: 4.95 The amount of ascorbic acid (vitamin C; C,H¿O) in tablets is determined by reaction with…

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Q: 4.119 You are given a soluble compound of an unknown molecular formula. (a) Describe three tests…

A: a) Three test to show that the compound is acid  1-React the solution with a base. It will show a…

Q: what is the percent of acetic acid in vinegar if a 10.00 g sample requires 35.00 ml of 0.09983 M…

A: Since we know that NaOH will react with acetic acid in vinegar as per the below reaction  CH3COOH +…

Q: 4. For each of the following combinations of solutions that produces an insoluble salt, write the…

A: The balanced form of given reaction is:                             2NH43PO4aq + 3PbNO32aq→6NH4NO3aq…

Q: 3. 35.0 mL of 0.325 M AgNO3 is added to 50.0 mL of 0.125 M MgCl2. Assuming all volumes are additive,…

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Q: Magnesium hydroxide is a common active ingredient in antacids. Kaelyn is testing commercials…

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Q: 4.129 Sulfites (compounds containing the SO3 2− ions) are usedas preservatives in dried fruits and…

A: Introduction: The sulfites are used as preservatives as they inhibit bacterial growth and retard the…

Q: 7. 35.0 mL of 0.325 M AgNO3 is added to 50.0 mL of 0.125 M MgCl2. Assuming all volumes are additive,…

A: The given precipitation reaction is

Q: An acid solution is 0.100 M in HCl and 0.200 M in H2SO4. What volume of a 0.150 M KOH solution would…

A: Given: The molarity of HCl is 0.1 M. The molarity of H2SO4 is 0.2 M. The molarity of KOH is 0.15 M.…

Q: How many mL of a 0.280 M NaOH solution would it take to titrate a 20.00 mL sample of a 0.134 M HI…

A: The question is based on the concept of titrations. We have to calculate volume of sodium hydroxide…

Q: 4) A 50 mL sample taken from a vinegar sample was diluted to 500 mL with distilled water. The 25.0…

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Q: Calculate the number of g per 100 mL of acetic acid in vinegar if 13.1 mL of 1.02N NaOH solution is…

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Q: A 10.0 mL sample of vinegar is pipetted into an Erlenmeyer flask and titrated with 28.85 mL of 0.206…

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Q: The iodine contained in every one mL of the 0.010 M iodine solution in the buret will react with…

A: Given, volume of titrant, iodine solution used = 5.14 mL            mass of vitamin C titrated by 1…

Q: Potassium acid phthalate, KHC8H4O4, or KHP, is used in many laboratories, including general…

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Q: 10,Which of the following is a precipitation reaction? Group of answer choices A, H2SO4(aq) +…

A: Precipitation Reaction is that Reaction in the major Product formed is such type of Substance which…

Q: Potassium acid phthalate, KHC8H4O4, or KHP, is used in many laboratories, including general…

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Q: Question 5

A: The molarity of nitrate ion can be calculated by first calculating the moles of nitrate present in…

Q: solution of permanganate is standardized by titration with oxalic acid (H2C2O4). It required 57.63…

A: First balance given equation and then eqaul both of equivalent to get the molarity of permanganate…

Q: 3) A company needs to verify the amount of nitrogen in their new "QuikGreen" fertilizer product. To…

A: Moles HCl = 0.989 M x .05 L = 0.05 moles Moles of NaOH = 0.250 M x (11.74 /1000) L = 0.003 Moles…

Q: What kind of reaction is this if you said this was a precipitation reaction wright down the chemical…

A: The given reaction is as follows:

Q: A sample of solid CaCO, requires 22.50 mL of a 1.25 M HCI solution to neutralize it. How many grams…

A: Given,  The reaction is - So, in this reaction, 2 mole of HCl reacts with 1 mole of CaCO3. In other…

Q: Jhich one of the following is not a redox reaction? + Ozig) > H2On B. Znu + H,SO4log) ZnSO loa) +…

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Q: In the reaction between FeCl, and NaOH, the spectator ions are A) Fe3 and Ch B) Fe3 and OH- C) Na*…

A: Given: Reaction between ferric chloride and sodium hydroxide To find: spectator ions Solution:…

Q: 1) 68.1 mL of 5.2 M HCl solution is diluted to a volume of 555 mL. What is the molar concentration…

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Q: II. 10.00 mL of a sodium hydroxide solution is titrated with 0.2364 M phosphoric acid 5. Write a…

A: Given  Volume of NaOH ( V1 )  = 10  mL  Molarity of H3PO4  ( M2 )  = 0.2364 M  Balanced equation  =…

Q: A student weighs out a 7.23 g sample of CoI2, transfers it to a 125 mL volumetric flask, adds enough…

A: Given: mass of CoI2=7.23 gvolume of solution=125 mL To find: Molarity of CoI2

Q: If 25.2 mL of AgNO3 is needed to precipitate all the Cl ions in a 0.775-mg sample of KCI (forming…

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Q: A student weighs out a 11.4 g sample of AI(CH3COO)3, transfers it to a 250. mL volumetric flask,…

A: The number of moles of solute present in one liter of solution is known as the molarity of the…

Q: Transfer 0.5 mL phenolphthalein to the KHP, then transfer 12.2mL NaOH to the KHP that make it be…

A: Acid reacts with base to produce salt and water

Q: Samples of acid rain are brought to a laboratory for analysis. Several titrations are performed and…

A: Given that : Volume of NaOH (V1) = 6.50 mL Molarity of NaOH (M1) = 0.010 M Volume of acid (V2) = 20…

Q: An acid solution is 0.100 M in HCl and 0.200 M in H2SO4. What volume of a 0.150 M KOH solution would…

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Q: Chromic acid, H2CrO4, is used in ceramic glazes and colored glass, and is particularly effective for…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: A student weighs out a 9.08 g sample of ZnSO4, transfers it to a 250. mL volumetric flask, adds…

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Q: Hydrochloric acid and magnesium hydroxide react according to the unbalance reaction below.  You must…

A: The balanced chemical reaction is, 2HCl + Mg(OH)2 → MgCl2 + 2H2O Here, both sides contain 4…

Q: the

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Q: The iodine contained in every one mL of the 0.010 M iodine solution in the buret will react with…

A: Number of moles of iodine in 1 L solution = 0.01 mol Number of moles of iodine in 0.001 L solution =…

Q: Suppose you are titrating vinegar, which is an acetic acid solution, of unknown strength with sodium…

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Q: A precipitation reaction occurs when a solution containing a cation (red spheres) and a solution…

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Q: A student weighs out a 13.4 g sample of Fe(CH3OO)3, transfers it to a 250. mL volumetric flask, adds…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.