A student in lab prepared a cereal sample solution for spectroscopic analysis as described in Lab 7, and found the concentration of Fe3+ in the sample to be 2.50 M.  If her sample solution was prepared by diluting 18.0 mL of the original solution to a total volume of 100.0 mL, what is the concentration of the original solution?

Q: A 10.00 mL of vinegar solution is titrated with 39.0 mL of 0.20 M NaOH.The calculated mass percent…

A: We have to calculate the density of vinegar .

Q: o analyze the alcohol content of a certain wine, a chemist needs 0.57 L of an aqueous 0.367 M K 2Cr…

A: Solution - According to the question - Given - Volume of K2Cr2O7 solution = 0.57 L Molarity…

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: Students were responsible for conducting 4 trials of titration of 15 mL samples of phosphoric acid…

A: Using the stoichiometry i.e. the mole ratio of Sr(OH)2 to H3PO4 , concentration of H3PO4 can be…

Q: A5.85% (w/w) Fe(NO. )g (241.86 g/ mol) solution has a density of 1.059 g/mL. Calculate 1, the molar…

A:

Q: The molarity of an aqueous solution of hydrochloric acid, HCl, is determined by titration with a…

A: The neutralisation reaction is given as  2 HCl + Ba(OH)2 ------> BaCl2 + 2 H2O  Hence from the…

Q: Define

A: Introduction: The number of moles of solute in 1L of  solution is called Molarity

Q: What is the concentration of an HCl solution if it takes 8.88 mL of 0.317 M NaOH to titrate 10.0 mL…

A: Given :-  Molarity of NaOH = 0.317 M  Volume of NaOH = 8.88 mL  Volume of HCl = 10.0 mL  To be…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.550 M NAOH as titrant, the initial…

A:

Q: 29. In a titration experiment, a solution of nitric acid is analyzed. It is found that 28.3 mL of…

A: given reaction: HNO3 (aq) + NaOH (aq) ⇒ H2O (l) + NaNO3 (aq) in this aq. sodium hydroxide…

Q: A student in lab prepared a cereal sample solution for spectroscopic analysis as described in Lab 7,…

A: Dilution The dilution process is the process to change (decrease) the concentration of solution in…

Q: The diprotic acid lactic acid is produced as a result of anaerobic respiration. Raquel titrates the…

A:

Q: The following molecular equation represents the reaction that occurs when aqueous solutions of…

A: The compound which present in aquleous solution present as Ionic form, but the solid compound does…

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

A:

Q: кон кон B) K H2 K O2 H2 C) K* он OH K* D) 02 H* K* K* 30. Magnesium hydroxide can be made by the…

A:

Q: Milk of magnesia (magnesium hydroxide) reacts with stomach acid (hydrochloric acid).  Calculate the…

A: Correct : 0.583 M Given neutralisation reaction; Mg(OH)2 + 2HCl ⟷⟷ MgCl­2 + 2H2O Given volume of…

Q: A student found that it required 42.9 mL of a 0.960 M KOH solution to neutralize 20.0 mL of a…

A:

Q: Suppose an EPA chemist tests a 250. mL sample of groundwater known to be contaminated with cadmium…

A:

Q: hat is the formula of the precipitate that forms when aqueous Fe(NO3)3 and aqueous NaCO3 are mixed?

A: Double displacement reaction-in reaction positive and negative ions of two ionic compounds displaces…

Q: The calcium in a 200.0 mL sample of natural water was determined by precipitating the cation as…

A: The mass of empty crucible is = 26.6002 g The mass of crucible and CaO is = 26.7134 g The mass of…

Q: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 65.0 mL of a 0.600 M…

A:

Q: What is the concentration of sodium ions in a solution prepared by dissolving 5.00 grams of sodium…

A:

Q: A 10.00 mL of vinegar solution is titrated with 39.0 mL of 0.20 M NaOH.The calculated mass percent…

A: The question is based on the concept of quantitative analysis. we have to calculate density of the…

Q: What mass of Na2  CrO4 is required to precipitate all of the silver ions from 45.0 mL of a 0.600 M…

A:

Q: The percentage of CaCO3 in a sample of finely powdered limestone was determined. In the laboratory,…

A: Analyte is a substance or chemical compound that is interesting of a procedure.  In a simple words…

Q: A 5.00 mL sample of solution has 1.28 g of calcium ions. Assume that the density of the solution is…

A: Parts per million (ppm) :-  The number of parts by weight of solute present in million (106) parts…

Q: What minimum mass of copper (II) nitrate must be added to 20.0 mL of a 0.0387 M phosphate solution…

A: Volume of phosphate solution = 20.0 ml Molarity of phosphate solution = 0.0387 M Molar mass of…

Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 84.08 g MeOH per 47.18 mL…

A: Given,  Solubility of MeOH in water = 84.08 g/47.18 mL  Calculate amount of water in mL needed to…

Q: To determine the concentration of SO42– ion in a sample of groundwater, 100.0 mL of the sample is…

A: The reaction of Ba(NO3)2 with SO42- is,

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NAOH as titrant, the initial…

A:

Q: Which of the units could be used to quantify the concentration of a solution of CuCl2? % g M·s–1 M…

A:

Q: What is the concentration of an HCl solution if it takes 5.20 mL of 0.301 M NaOH to titrate 7.50 mL…

A: This is an acid base titration. Reaction is,   HCl(aq) + NaOH(aq) --> NaCl(aq) + H2O(l)  Given…

Q: A solution with a total volume of 1000.0 mL contains 37.1 g Mg(NO3)2. If you remove 20.0 mL of this…

A: Given : mass of magnesium nitrate = 37.1 g Volume of solution = 1000 mL

Q: Suppose an EPA chemist tests a 250. mL sample of groundwater known to be contaminated with iron(III)…

A: Answer: This question is based on stoichiometric calculation. First of all we will calculate the…

Q: Which of the units could be used to quantify the concentration of a solution of CuCl2CuCl2 M % mL g…

A:

Q: In a common medical laboratory determination of the concentration of free chloride ion in blood…

A: Given: Concentration of Hg(NO3)2 = 8.35×10-4 M Volume of Hg(NO3)2 = 1.64 mL Volume of Cl- = 0.25 mL…

Q: A titration analysis was done to determine the arsenic acid (H3AsO4) content of an impure sample.…

A:

Q: Calculate the number of millimeters of 0.641 M NaOH required to precipitate all the Fe3+ ions in 178…

A: Given: Molarity of NaOH = 0.641 MVolume of FeI3 = 178 mLMolarity of FeI3 = 0.447 The balanced…

Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 131.34 g MeOH per 44.13 mL…

A:

Q: What is the molarity of a solution of H2SO4  if 25 mL of this solution requires 32.15 mL of a 0.600…

A:

Q: Calculate the number of milliliters of 0.754 M KOH required to precipitate all of the Zn2+ ions in…

A: calculate number of moles of Zn(NO3)2 1 mole of Zn(NO3)2 react with 2moles of KOH to form 1 mole…

Q: 6.42 %(w/w) ferric nitrate solution has a density of 1.059 g/mL. Calculate the molar analytical…

A: Given :  Concentration of Ferrric nitrate = 6.42 % (w/w)  Density of solution = 1.059 g/ml

Q: Milk of magnesia (magnesium hydroxide) reacts with stomach acid (hydrochloric acid).  Calculate the…

A:

Q: A titration experiment required 36.36 mL of NaOH, which had a concentration of 0.195 M, to reach the…

A: Given :-  HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)  volume of NaOH solution = 36.36mL molarity of NaOH…

Q: A solution was prepared by dissolving 5.76 g of KCI .MgCl2. 6H2O (277.761 g/mol) in sufficient water…

A: GivenAmount of KCl.MgCl2.6H2O = 5.76 gMolar Mass of KCl.MgCl2.6H2O = 277.761 g/molVolume of solution…

Q: A student titrates a 10-mL sample of vinegar with 0.50M sodium hydroxide (NaOH).The initial reading…

A: Introduction: We have to calculate the mass percentage of acetic acid in vinegar.

Q: Holiday eggnog contains 1 cup of bourbon. The bourbon used to make the eggnog has a molarity of 2.88…

A: Given, 1. Molarity of eggnog is 2.88 M Molar mass of alcohol= 156.225 g/mole Density of alcohol is…

Q: 5. The teacher assign students to prepare a solution by dissolving 15.0 ml ethanol (C,H,OH) in water…

A: The molar mass of C2H5OH is 46.07g/mol as we get from standard sources. 15ml ethanol has been used.…

Q: Question is attached

A: The reaction is – 2Cl-aq + Hg(NO3)2aq →2NO3-aq + HgCl2 s

Q: You performed a titration to determine the concentration of a solution of NaOH using solid KHP…

A: Molarity of a solution is equal to the number of moles of solute divided by volume of solution.…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.