I just need to know if these are all correct and I need help with just the blank ones. WORKSHEET1. Classify then name the following substances. Referto your flowchart.ClassificationNameChemical FormulaSUIFUKdioxide1odineSO2molecular12moceculaR.lonicacidSUIFURICH2SO4acidPOtariumSUIFateionic/acielK2SO4Toniccopper (11)ChRomateCobalt Ci)chRomateCuCrO4Co2(CrO4)3molecuia RCH3CH3ethane 4. The chemical name given to each of the substances below is incorrect. Write the correct namefor each compound.Incorrect nameCorrect nameCompoundSnCl4Tin chlorideTinCIy)chlokideSF6Monosulfur hexafluorideSUIFURhexaflourideAluminum(III) fluorideAIuminumFIOurideAIF3periodicacidHIO4lodic acidF2DifluorineFIOURINE5. The formula given for each of the chemical names below is incorrect. Write the CorrectChemical formula for each compound.NameIncorrect chemical formulaCorrect chemical formulaсоppек (1)carbonateCopper(II) carbonateCu2CO3potaniumiodatePotassium periodateKIO3Carbon tetrachlorideCl3itRoniumSUIFiteStrontium sulfateSrSO3Barium nitriteBANO2

There are numerous molecules in organic chemistry. Every molecule has molecular formula as well as…

WORKSHEET 1. Classify then name the following substances. Referto your flowchart. Classification Name Chemical Formula SUIFUK dioxide 1odine SO2 moeculaR 12 moceculaR lonic acid SUIFURIC acid Potarrium SUIFate H2SO4 ionic/acid K2SO4 copper (11) Chkomate Cobalt CI) chRomate CuCrO4 1onic Co2(CrO4)3 moecuia R CH;CH3 ethane

WORKSHEET 1. Classify then name the following substances. Referto your flowchart. Classification Name Chemical Formula SUIFUK dioxide 1odine SO2 moeculaR 12 moceculaR lonic acid SUIFURIC acid Potarrium SUIFate H2SO4 ionic/acid K2SO4 copper (11) Chkomate Cobalt CI) chRomate CuCrO4 1onic Co2(CrO4)3 moecuia R CH;CH3 ethane

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter12: Gravimetric Methods Of Analysis

Section: Chapter Questions

Problem 12.20QAP

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A sample known to consist of NaOH orNaHCO3, or Na2CO3 or possible compatible mixtures of these, together with inert matter. With methyl orange, a 1.10 g sample requires 31.40 mL of HCl (of which 1.00 mL ≈ 0.0140 g CaO). With phenolphthalein, the same weight of sample requires 13.30 mL of the acid. Calculate the percentage of inert matter in the sample.
You are supplied with the following: / Jy word voorsien van die volgende: NaCl(Mr= 58,443 g /mol) 2.5MTris-Cl, pH 8 solution /oplossing (1 Litre) EDTA,natriumsout(Mr= 380,2g/mol) 10% sodium dodecyl sulphate solution / natriumdodecyl sulfaat oplossing Proteïnase K solution / oplossing (50 mg dissolved / opgelos in 1 ml ddH2O) You need a digestion buffer consisting of the following: / Jy moet 'n verteringsbuffer op maak wat uit die volgende bestaan: 15m M NaCl 75 mM Tris-Cl,pH 8 16 mM EDTA,pH 8 0.8% sodium sulphate / natrium dodecyl sulfaat 0,75 mg/ml proteïnase K How will you prepare 500 ml of the digestion buffer? Show all your steps and calculations. Remember to explain exactly how you will make it up.
A sample of an iron ore was prepared for Fe3+ analysis as following: 3.4g of the sample was added anddissolved in acid environment then diluted to 250 mL using volumetric flask. After that, 10 mL of the resultingsolution was transferred by pipet to a 50-mL volumetric flask and continue to be diluted. The scientists foundout that this solution gives the concentration of Fe3+ as 2.3 mg/L. Find the weight percentage of Fe3+ in theoriginal sample.
An impure sample of Na3PO3 weighing 0.1 g is dissolved in 35 mL of water. A solution containing 45 mL of 3% w/v HgCl2, 30 mL of 10% w/v sodium acetate, and 10 mL of glacial acetic acid is then prepared. After digesting, filtering, and rinsing the precipitate, 0.2857 g of Hg2Cl2 is obtained. Report the purity of the original sample as % w/w Na3PO3.
A chemist received different mixtures for analysis with the statement that they contained NaOH, NaHCO3, Na2CO3, or compatible mixtures of these substances, together with inert material. From the data given, identify the respective materials, and calculate the percentage of each component. 1.000g samples and 0.2500N HCl were used in all cases. (A) For Sample W: With PP, 24.32ml was used. A duplicate sample required 48.64ml with MO. (B). For Sample X: The addition of PP caused no color change. With MO, 38.47ml of the acid was required. (C). For Sample Y: To cause a color change in the cold with PP, 15.29ml of the acid was necessary, and an additional 33.19ml was required for complete neutralization. (D) For Sample Z: The sample was titrated with acid until the pink of PP disappeared; this process required 39.96ml. On adding an excess of the acid, boiling, and titrating back with alkali, it was found that the alkali was exactly equivalent to the excess acid added.
Suppose you have a soil that is made up of 10% organic matter with CEC = 200 cmol/kg, 40% kaolinitewith CEC = 10 cmol/kg, and 50% vermiculite with CEC = 100 cmol/kg.1- Calculate the overall CEC of the soil by taking a weighted average of the three soil components.2- What percentage of the overall CEC is contributed by the organic matter? How does that numbercompare to the 10% of the soil itself that is organic?
Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCl & 2 g C6H12O6 are present in 100 mL ORS solution (MW: Na: 23, K: 39, Cl: 35, H: 1, C: 12, O: 16) Calculate the total amount of chloride expressed in mmol/L present in the prepared solution 60.34 mmol/L 90.10 mmol/L a 111.11 mmol/L b 29.76 mmol/L c 80.61 mmol/L d 20.27 mmol/L
The mercury in a 0.8142-g sample was precipitated with an excess of paraperiodic acid, H5IO6: 5 Hg 2+ + 2 H5IO6 ---> Hg5(IO6)2 (s) + 10 H + The precipitate (MW = 1448.8 g/mol) was filtered, washed free of precipitating agent, dried, and weighed, and 0.4114 g was recovered. Calculate the a) % Hg (200.6 g/mol) b) % Hg2Cl2 (472.1 g/mol)
Aleks data for AgBrO3 is 5.38 x 10^-5
One litre of a saturated aqueous solution of Ag2SO4 (MW = 311.79 g mol- 1) at 25 °C is evaporated to dryness. 4.844 g of Ag2SO4 residue was produced. What is the solubility product (Ksp)?
Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How much SO2 is required to treat 3.00x10^8L of 4.00x10^-2 mM Cr(VI)? 2CrO4^-2 + 3SO2 + 4H^+ —> Cr2(SO4)3 + 2H2O ___kg
A sample is known to consists of NaOH, or NaHCO3 or Na2CO3 or possible compatible mixture of these, together with inert matter. With methyl orange, a 1.100 g sample requires 31.4 ml of HCl ( 1.000ml is equivalent to 0.0140 g CaO). With phenolphthalein , the same weight of the sample requires 13.3 ml of the acid. Calculate the percent inert matter in the sample? ( ans. 17.7%)