Q: What type of samples can be analyzed using AAS?
A: **Since you have asked multiple questions, we will solve the first one for you. If you want any…
Q: One of the following statements is incorrect: O A standard solution should react completely with the…
A: The solution is given below -
Q: A precipitate of Fe(OH)3 is contaminated with Mg(OH)2. The best way to get rid of the impurity is…
A: In digestion we can minimise an occulation by maintaining the precipitation in Equillbrium in the…
Q: What would happen to the calculated average value for the Kep in the Ken experiment if you recorded…
A: When the volume of the saturated solution is recorded as too high, this will impact the Ksp value as…
Q: The solubility of AX2 is 0.000047 M What is the Ksp of AX2?
A: Given that, [AX2] = 0.000047 M Ksp= ?
Q: A 35 year old male was taken to the hospital with excruciating pain in the lower abdominal area. It…
A:
Q: A 6.00-mL portion of an 8.00 M stock solution is to bediluted to 0.400 M. What will be the final…
A: Given: Molarity of stock solution M1= 8.00M Volume of stock solution V1= 6.00mL Molarity of dilute…
Q: В. In her next experiment. she needs to determine the Ksp and identity of a sparingly soluble salt…
A:
Q: The Kjedahl procedure was used to analyze 256 µL of a solution containing 37.9 mg protein/mL. The…
A: NH3 + HCl = NH4Cl HCl + NaOH = H2O + NaCl Here, one mole of NH3 reacts with one of HCl and also…
Q: -sodium chloride-congo red, btained when the filtrate is allov
A: We know that, Recrystallization is the process in which deformed grains of the crystal structure are…
Q: water
A: Dear student I have given answer to your question in the image format.
Q: The Ksp of ZnCO3 (MM: 125.38) is 1.20 xx 10^(-10). a) What is the molar solubility of ZnCO3? b)…
A: The given data contains, Molar mass = 125.38 g/mol. Ksp of ZnCO3 = 1.20×10-10
Q: The Ksp of Al(OH)3 (MM: 78) is 1.90 xx 10^(-33). a) What is the molar solubility of Al(OH)3?
A: Given Ksp of Al(OH)3 is --- 1.90×10-33 What is the molar solubility of Al(OH)3?
Q: In the MgO experiment, you made a buffer solution by combining 57 mL of 17 M NH3 with 7.0 grams of…
A:
Q: Q1 H2CO3 = HCO3 Carbonic anhydrase co, dissolves in plasma Carbonic acid Bicarbonate ion co H0-H,co.…
A:
Q: A fermenter was filled with 10L of 0.6 mol/L sodium sulfite solution containing 0.003M Cu2+ ion and…
A: A numerical problem based on mole concept that is to be accomplished.
Q: 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass…
A: 1) Barium sulphate is a white color precipitate , it is ionic in nature . when barium chloride is…
Q: 1. Lead (II) Cromate PbCrO4 is a slightly soluble salt with a Ksp = 2.8 x 1013. %3D a. Write the…
A:
Q: e redox titration experiment, Standardization of Na2S2O3 with KIO3 standard solution, what can be…
A: In inorganic laboratories, redox titrations are carried out to find out the concentrations of…
Q: During the mixing step, briefly discuss why gentle mixing of the solution is necessary after the…
A: For efficient and effective water treatment, gentle mixing of the solution is necessary after…
Q: . A student prepares a solution by dissolving 1.000 mol ofNa2SO4 in water. She accidentally leaves…
A:
Q: Ме N. Me solvent, 0 °C to reflux then Ме. N. Ме Me Me + 'N' CI "Ме Ме 42 Me' Lewis acid , 0 °C 41 25…
A: Organic reaction mechanism.
Q: The Kjedahl procedure was used to analyze 256 µL of a solution containing 37.0 mg protein/mL. The…
A: Given that,Volume of HCl = 5.00 mL.Molarity of HCl = 0.0336 M.Volume of NaOH = 6.34 mL.Molarity of…
Q: Dr. TS You found lead in blood collected from children living within 5 km from the Ship Channel.…
A: Average lead concentration in mg/L is given below.
Q: How many moles of SrSO4 will dissolve in 4.0 x 102 mL of 0.060 M Sr(NO3)2? The Ksp of SrSO4 is 3.2 x…
A: We will dissociate SrSO4 and then find solubility of it. Then calculate moles of it.
Q: Calcium Iodideand Sodium Oxalate may have led to the pain that the patient was experiencing.…
A: In this case, it is mentioned that the substances calcium iodide and sodium oxalate are present as…
Q: R | с in the concentrations H₂PO 0.058 E - X 0.058 - X shown in HPO 2 + H+ 0 0.058 + X X = + X 0.058…
A:
Q: when we want to produce PFC from FeCI3 why we will adding Na2CO3 and Na2HPO4. and what suitable…
A: Na2CO3 will be used to maintain basicity, and Na2HPO4 will be used as a stabilizer. The molar ratio…
Q: How many grams of CaF2 (molar mass = 78.077) will dissolve in 750 ml of 0.70 M NaF solution? The Ksp…
A: Given: Concentration of NaF = 0.70 M Volume of NaF solution = 750 mL = 0.750 L…
Q: 12.29 A 50 g sample of impure KCIO; (solubility contaminated with 10 percent of KCI (solubility =…
A:
Q: Using the term u of KSP experimental procedure the 6 p.m. As you add 5 ml of .004M AgNo to 5ml of…
A:
Q: At 25 °C, the Ksp of CaF2 is 4.0 × 10-11. Calculate the molar solubility of CaF2 in pure water at 25…
A:
Q: d. A similarly strongly basic solution is made with the limestone and 0.1 M of Na2CO3 yielding a…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts…
Q: A 0.64 g sample containing KCI ( mw = 74.6) is dissolved in 50mL of water and titrated to the…
A: The %W/W of KCl in the solution has to be given,
Q: Dilute solution of unknown weak acid required 30 ml of 0.2 M NAOH to reach phenolphthalein end…
A: Given data contains, Molarity of NaOH is 0.2M. Volume of NaOH is 30mL=0.03 L. Mass of the sodium…
Q: What is the component concentration ratio, [Pr⁻]/[HPr], of abuffer that has a pH of 5.44 (Kₐ of HPr…
A: The Henderson Hasselbalch equation is given by, pH =pKa + log[A-][HA] where pKa is the negative…
Q: Perform these calculations for nickel(II) carbonate. (a) With what volume of water must a…
A:
Q: Write a scientific procedure (experimental) in laboratoryto replaced the Br with CN by the addition…
A: Nucleophilic substitution reaction is a organic reactions in which one nucleophile replaces…
Q: 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass…
A: When sulfate ion react with barium in an aqueous solution, the given reaction occurs : Ba2+(aq) +…
Q: A 35 year old male was taken to the hospital with excruciating pain in the lower abdominal area. It…
A: Since you have posted a question with multiple sub parts, we will solve only first three subparts…
Q: A chemist wants to determine the Ksp of BaC2O4 at T = 285.15 K. He prepared 0.10 L of saturated…
A: Given: Volume of aliquot taken in the titration flask = 0.01 L Concentration of HCl = 5.60 × 10-4 M…
Q: A 4.59 TITRATEĎ SAMPLE with 10.5ML OF BLOOD 42) of 0.04 M K2CK207 TO THE DETERMINE AL COHOL…
A: The balanced titration reaction taking place is given as, => 16 H+ + 2 Cr2O72- + C2H5OH…
Q: A 35 year old male was taken to the hospital with excruciating pain in the lower abdominal area. It…
A: Hi there, as there are multiple questions posted. We are answering the first 3 sub-parts. if you…
Q: Find how many % of I2 in 1000 mL H2O will still be in its aqueous phase if it was extracted with…
A: For environmental, clinical, and industrial laboratories, liquid–liquid extraction is an effective…
Q: The protein content of a sample was determined by a Kjeldahl analysis for nitrogen. After digesting…
A: The question is based on the concept of quantitative analysis. We quantitatively estimate the…
Q: A total of 120g of marsh clam tissue were found to contain 0.004g of lead (Pb). Calculate the Pb…
A: The mass of solute in mg present in a one-kilogram solution is known as ppm (parts per million)…
Q: A 35 year old male was taken to the hospital with excruciating pain in the lower abdominal area. It…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Match the following redox titration methods to their corresponding titrants. KMnO4 solution Na2S2O3…
A:
Q: Question attached
A: The given statement is , A Precipitate of Fe(OH)3 is contaminated with Mg(OH)2.
Q: A chemist wants to determine the Ksp of BaC2O4 at T = 285.15 K. He prepared 0.10 L of saturated…
A: To determine the Ksp and molar solubility of BaC2O4.
Step by step
Solved in 2 steps with 2 images
- v21 Online te X Co. How to Calculate N NSU Login | North X bAer X S PeriodicTableofthe M Action Required: S X O mySigTau mow.com/ilm/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References) N20 is a gas commonly used to help sedate patients in medicine and dentistry due to its mild anesthetic and analgesic properties; it is also nonflammable. If a cylinder of N20 is at 10.9 atm and has a volume of 4.00 L at 298 K, how many moles of N20 gas are present? moles The gas from the cylinder is emptied into a large balloon at 755 torr. What is the volume of the balloon at 298 K? Volume = Submit Answer Try Another Version 3 item attempts remaining pt pt pt 1 pt 1 pt 1 pt Previous Next nt Email Instructor Save and Exit Cengage Learning I Cengage Technical SupportWhat volume (in L) of 1.30 M FeBr3 would be required to obtain 0.710 moles of Br ions? & 3 4. 6. 8. Q W E R1. What mass of MC| is needed to make 3000g or 109 solution? (MW: H= 1 , Cl= 35)a. 0.09 gb. 90 gc. 900 g d. 0.9 g 2. Detemine the mole faction of the solvent in a solution prepared by dissolving: 36g of CH3OH in 1000 of H2O. a. 55.55molesb. 0.02molesc. 0 98molesd. None of the above
- Express the concentration of a 5% w/v sulfuric acid (sp.gr. 1.80) in %w/w. O a. 2.78 %w/w O b. 1.77 % w/w Oc.2.42 % wiw OneD O d. 1.85% w/w O e. 3.33 %w/wml?courseld=172215518&OpenVellumHMAC=163a0fc0fe714bd3b513d12c3142f1f0 O Schedule Appointm. 2 Red Straight Hair ed P. G kenyon college - G. G university of dayton.. G Xavier University of. G howard university -.. G kent state - Google...Consider these compounds: A. BaF2 B. PbCrO4 C. PbI2 D. ZnS Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that lead fluoride is more soluble than fill in the blank 1, and lead fluoride is less soluble than fill in the blank 2. It is not possible to determine whether lead fluoride is more or less soluble than fill in the blank 3 by simply comparing Ksp values.Oo.3. Subject ;- ChemistryDissolved oxygen in water is in the form of O a. Uncombined O2 molecules O b. Oxygen in carbon dioxide gas O c. Oxygen in the structure of water O d. dissolved carbonates in oceans |中 x P. P Type here to search hp %23 24- Mass, & PPM S Add-ons Help Accessibility Last edit was4. BI U A Arial 12 Parts Per Million (ppm) 229i moles of of Sioin th bolution Whan are the gpm 3. A factory is duriping a1,250 kildgram sample of lak Hg(OH)2 is 299 ppm. is this the local lake, An investigation shows that of Ho OH) If the maximum safe level of 4. 35 years after the Chemobyy Nitride (U,N) af 12.55 ppm. If the sample UN, were in this sample? How many molecules of UN were in this sample? water has a concentration of Uranium a vieight of 2.25 kilograms, how many moles of omember tig1000 1 Liter 1000 wQ1) A bottle of concentrated HCl has the following information on its label: GFW= 36.5, Sp.gr 1.18 and 40% HCI (w/w) a) What is the normality of this solution? b) How would you prepare 500ml of 0.1N HCI from the concentrated reagent?b My Questi x Co. How to Ca X N NSU Login X PeriodicTa X M Action Re x 0 mySigTau XG 4.25 ml to X ( NBA FinalX G scientific X + enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take [References] A 1:1 mixture by moles of nitrous oxide and oxygen is often used as a sedative in dentistry. If the total pressure of this mixture in a cylinder is 3.75 atm, what is the partial pressure of each gas? Partial pressure of nitrous oxide = atm Partial pressure of oxygen = atm Submit Answer Try Another Version 3 item attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical Support5. Express the formality (F) the concentration of each of the following solutions: a. 28.4% NH3 by weight, having a density of 0.808 g/mL b. 69.5% HNO3 by weigt, aving a density of 1.42 g/mLSEE MORE QUESTIONS