How much amount of solids (in grams) do you need to prepare the following solutions? 1. 500.0 mL 0.1000 M stock EDTA solution a. Weigh an appropriate amount of Na2H2EDTA2H2O (FW=372.24) to the nearest 0.1 mg  2. 100.0 mL 0.0500 M stock Ca2+ solution a. Weigh appropriate amount of pure CaCO3 (FW=100.09) to the nearest 0.1 mg into a 250 mL beaker.

Q: . Find the molarity of the HNO3 solution and its absolute uncertainty.

A: As per the balanced chemical reaction, 2 mol of HNO3 reacts with 1 mol Na2CO3. Now, No of moles =…

Q: WHAT VOLUME OF 0.107 N SILVER NITRATE IS REQUIRED TO TITRATE THE SODIUM CHLORIDE IN 4.0 G SAMPLE OF…

A: 0.107 N Mean 0.107 mole is present in 1000ml

Q: (a) If the molar solubility of Cd3(AsO4)2 at 25 oC is 1.15e-07 mol/L, what is the Ksp at this…

A: Molar solubility is represented as moleL mole = massmolar mass Molar mass of Y2(CO3)3 = 357.8384…

Q: References Use the References to access important values if needed for this question. Solid silver…

A: We know when we add silver nitrate to the solution of KOH, it will form Silver hydroxide. We will…

Q: A solution contains 0.0040 M Na3PO4. Calculate the minimum concentration (in M) of Ag* needed to…

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Q: 1. In a reaction involving the iodination of acetone, the following volumes were used to make up the…

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Q: When 22.0 mL of a 3.58× 104M ammonium chloride solution is combined with 25.0 mL of a 9.20x104 M…

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Q: metal rod of Pn, 200 mL of Pn(NO3)3 0.5 M solution. 1 metal rod of Ri, 200 mL of Ri(NO3)2 0.4…

A: We know that,  The electrode having higher reduction potential value will reduce and the electrode…

Q: A sample solution is prepared by combining (4.770x10^0) mL of  (4.0900x10^-3) molar SCN-,…

A: Given information :  Molarity of SCN- = 4.0900 * 10-3 M Volume of SCN- = 4.770 mL  Molarity of Fe3+…

Q: North of Kingston you discover a hidden mountain and name it Mt. Kevinmanjaro, which weighs 1x1012…

A: Mass of CaCO3 (mountain) = 1 x 1012 kg  Ksp of CaCO3 = 3.3 × 10–9   Molecular mass of CaCO3 = 100…

Q: Calculate the solubility (in g/L) of Aluminum sulfide (Al2S3) In 0.25 M Al+3 solution. (standard…

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Q: A 0.5516 g mixture of KCN (MW = 65.116 g/mol) and NaCN (MW = 49.005 g/mol) was dissolved in water.…

A: Given that, The mass of the mixture of KCN and NaCN is 0.5516 g. Molecular weight of KCN = 65.116…

Q: You determine the acetic acid content in vinegar by titrating with a standard (known concentration)…

A: Given: weight of vinegar=5.023±0.003 g Molarities of NaOH in 3 trials = 0.1167, 0.1163, 0.1164 M…

Q: Calculate the volume of ca. 0.1 M AgNO3needed to be added to have 25% excess in solution. If 25.00…

A: The balanced equation for the reaction is     AgNO3 (aq) + Cl– (aq) ---------> AgCl (s) + NO3–…

Q: Q13. What volume (mL) of 1.00 M K2Cr,0, is required to completely react with 35.0 mL of 0.500 M FeS…

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Q: The solubility-product constant for Ce(103)3 is 3.2 × 10 1. What is the Ce solution prepared by…

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Q: The first image is the problem and the second image is alek data to slove the problem. I been having…

A: Answer:Given :A chemist fills a reaction vessel with 0.492 M lead(II) (Pb2+) aqueous solution, 0.241…

Q: To 20,00 ml of 0,0500 mol/l solution of potassium bromide – 19,90 ml of solution of silver nitrate…

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Q: An aqueous waste stream that has a maximum concentrationof 0.50 M H₂SO₄ (d=1.030 g/mL at 25C) will…

A:

Q: 6. a). Calculate the solubility in moles/L for Mg(OH)2 in pure water. Ksp = 5.6 x 10-12 b).…

A: a) The solubility reaction of Mg(OH)2 is  Mg(OH)2 (s) -------> Mg2+ (aq) + 2 OH- (aq) Assuming…

Q: 2a Suppose the Gapon constant K« =([Ca ] X/([Cd ]X.) is 25. Also suppose that your soil has…

A: Since you have not mentioned, so i am solving the first part of the question, if you want solution…

Q: Which one of the following mixture solutions will NOT have a precipitate?Ksp (BaF2) = 1.8 × 10^-7…

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Q: 4. Silver arsenate, Ag,AsO4, is very insoluble. What weight of Ag,AsO4 precipitate forms when 27.00…

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Q: A 10.00 mL sample containing 8.00 g/L of a mixture of KCI and NaCl was titrated with 0.10 M standard…

A: Given: Volume of sample = 10.00 mL = 0.010 L                                (Since 1 L = 1000 mL)…

Q: A 2.190 g sample of a solid mixture containing only potassium carbonate (MM=138.2058 g/mol) and…

A: Given , Mass of sample = 2.190 g

Q: Which of the following solutions when mixed will form a precipitate? 125 mL of 0.125 M NaOH aqueous…

A:

Q: Bleach is a solution of NaOCl. A 10.00 mL sample of bleach was diluted with 25.00 mLs of water and…

A: To calculate the molarity of the bleach solution (NaOCl), you can use the balanced chemical equation…

Q: A 1.8M HCl solution was standardized against 1.4g sodium carbonate Na2CO3 (MW = 106g/mol) . The…

A: This problem is based on a typical acid-base titration where an acid will get neutralized by a base…

Q: 50.00 mL of a solution containing 0.15 M CH2 (CO2 H)2 and 0.020 M MnSO4  Calculate the mass in g of…

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Q: If volumes are additive and 75.0 mL of 0.75 M KBr is mixed with 175.0 mL of a BaBr2 solution to give…

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Q: Determine the volume (in mL) of water that needs to be added to 25.0 mL of a 0.250 M NaBr to produce…

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Q: A 1.8M HCl solution was standardized against 1.4g sodium carbonate Na2CO3  (MW = 106g/mol) . The…

A: Na2CO3 is a diacidic weak base and hence can neutralize 2 moles of HCl.  Ammonia, NH3 is a…

Q: Question 4 Three students studied the following solubility curve. They were asked to determine the…

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Q: SO4 -two content in 7689mL of a water sample was precipitated as Na2SO4. The precipitated was…

A: The mass of the empty crucible is = 27.0234 g The mass of the crucible plus Na2SO4 is = 27.7708 g…

Q: Which if the following compound is insouble in water

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Q: a) What mass of Fe(NH4)2(SO4)2•2H2O(s) is required to prepare a 500 mL solution containing 100 ppm…

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Q: Determine the mass of potassium bromide necessary to precipitate all of the Cu^+ in 305 mL solution…

A: The solubility (concentration) of bromide ions can be calculated as: Cu+Br-  =  KspBr-  =  KspCu+Br-…

Q: Standardization of NaOH Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 0.785 0. l690g 0.8239 Mass of KHP…

A: The mass of KHP used in trial 1, trial 2 and trial 3 is 0.785 g, 0.690 g and 0.823 g, respectively.…

Q: Calculate the solubility of PBF2(s) in a 0.550 M Pb(NO3)2(aq) solution? (Ksp for PBF2 = 3.6 x 10-8)…

A: Let the solubility of PbF2(s) is s M  PbF2 = Pb^2+ + 2F^-       s           s           2s  Also,…

Q: 35.0 mL of 6.7 x 10-4 M Ca(NO3)2 is mixed at 25˚C with 65.0 mL of 8.4 x 10–5 M Na2CO3. Compute the…

A: There are many type of chemical reactions are present. Such as precipitate reactions,neutralisation…

Q: Which of the following could be used to precipitate both Mg2+ and Ca2+ from hard water? CATIONS с…

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Q: A solution contains 1.42×10-2 M ammonium sulfate and 5.66×10-3 M ammonium chromate. Solid barium…

A: Given :  Concentration of ammonium sulfate = 1.42 x 10-2 M  Concentration of ammonium chromate =…