From 0.8 av lb of 20% w/w KOH solution, O72.6 121 142 86.2 g of 12 percent w/w KOH may be produced.

Q: The aluminum in a 1.200-g sample of impure ammonium aluminum sulfate was precipitated with aqueous…

A: Answer: (a) % NH4Al(SO4)2 = 77.56 % (b) % Al2O3 = 16.675 % (c) % Al = 52.97 %

Q: The aluminum in 0.200 g impure aluminum sulfate ( the sample) was precipitated with aqueous NH3and…

A: Since the weight of aluminum obtained form impure aluminum sulfate is 0.15 g. Molar mass of aluminum…

Q: We the balanced formula unit equation for the complete neutralization of dilute H3PO4 with CaOH2 in…

A: When an acid reacts with a base salt and water will form. When phosphoric acid (H3PO4) reacts with…

Q: A 4.932-g sample of a petroleum product was burned in a tube furnace, and the SO2 produced was…

A: The reaction is given as: SO2(g)+H2O2→H2SO4 There is a reaction taking place between NaOH, H2SO4 and…

Q: A sample of processed meat scrap weighing 4.000 g is digested with concentrated H;SO, and…

A: Given: Weight of meat scrap sample = 4.000 g To calculate the percentage protein in the meat scrap.

Q: Be sure to anmer all parts. Industrially, vanadi metal which ised stel alloys, can be attained by…

A:

Q: Calculate the mass of CuSO4·5H2O required for preparation of 100 mL of 0.010 M Cu2+ solution

A: Volume of Cu2+ solution to be prepared = 100 mL Concentration of the Cu2+ solution to be prepared =…

Q: What mass of KNO3 [MW=101] is needed to prepare 250.0mL of 0.450 M KNO3 in water?

A:

Q: The aluminum in a 1.2 g sample of impure ammonium aluminum sulfate was precipitated with aqueous…

A: Calculate the number of moles of Al2O3. Number of moles = Given mass Molar mass = 0.1798 g101.96…

Q: A 4.955-g sample of a petroleum product was burned in a tube furnace, and the SO₂ produced was…

A: The question is based on the concept of solutions.We need to determine concentration sulphur…

Q: 25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20…

A: The question involves estimation of sodium hypochlorite present in the given bleach sample . we do…

Q: A 13.00 mL sample of sulfuric acid is diluted to 40.00 mL. A 10.00 mL aliquot is titrated to a…

A: Titration is one of the most common methods of qualitative analysis of substances given. It is done…

Q: In one gravimetric analysis, the iron (Fe) in a 1.6374 g of impure iron compound was dissolved with…

A:

Q: 8. You are asked to make 250.0 mL of a 1.5 M solution of H2SO4 in lab. You have a stock solution of…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Determine the yield of ammonium nitrate.

A:

Q: In standardizing a solution of NaOH against 1.431 g of KHP (KHC8H4O4), the analyst uses 35.5 mL of…

A: Volumetric analysis is a method in which the volume of a substance is determined by measuring its…

Q: How many grams of PBSO4 is expected to form when 25 mL of 0.15M Pb(N03)2 reacts with excess NazSO4?

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: calculate the mass CuSO4*5H2O required for preparation of 100ml of 0.010 M Cu2-

A:

Q: Complete and balance the following equations: (a) Mg;N2(s) + H,0(I) (b) C3H;OH(1) + 02(8) (c)…

A: The complete and balanced reactions are as follows: (a)

Q: A 1.223 g sample containing arsenic (As) was converted to H3ASO4 by suitable treatment. 40.00 mL of…

A: Given : Initial sample = 1.223 g Volume of AgNO3 = 40.00 ml Molarity of AgNO3 =0.07891 M  Molarity…

Q: The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitated with aqueous…

A: Mass of Sample is 1.200 g. Mass of anhydrous Al2O3 is 0.2001 g. Calculation of no. of mol of…

Q: The aluminum (AW=26.98 g/mol) in a 1.000-g sample of impure ammonium aluminum sulfate was…

A:

Q: 1. A 15.67 g sample of a hydrate of magnesium carbonate, MgCOs, was heated, without decomposing the…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: A 12.63 g sample of calcium ore was dissolved in HCl and gravimetrically analyzed, through the…

A: Solution - According to the question - Given - Mass of calcium ore = 12.63 g Mass of pure CaCO3 =…

Q: A 0.750 g sample of finely ground limestone was placed in an Erlenmeyer flask, and 25.00 ml of 1.00…

A: Mass of sample = 0.750 g Initial molarity of HCl = 1 M Initial volume of HCl = 25 mL or 0.025 L…

Q: the aluminum (FW= 26.98 g/mol) in a 1.200 g sample of impure ammonium aluminum sulfate was…

A: molar mass of NH4(AlSO4)2= 237.1452g/mol molar mass of Al2O3=101.96g/mol molar mass of Al…

Q: b). A wastewater contains 7.2 mg L-1 phosphorus and is treated with 15 mg L-1 aluminum in the form…

A: Solution -

Q: How many milliliters of 0.05 M EDTA are required to react with the calcium and magnesium in a 0.1414…

A:

Q: A 4.908-g sample of a petroleum product was burned in a tube furnace, and the SO2 produced was…

A:

Q: A sample of material contains the components NaOH, Na2CO3, NaHCO3 , or possible mixtures of these.…

A: Weight of sample = 1 g normality of acid  = 1.038 N

Q: Codeine, C18H26O3N is the active ingredient in the sedative Paregoric™ and is a weak Brønsted base…

A: A solution involving weak alkali with conjugate salt is addressed as "alkaline buffer solution". On…

Q: A 0.709 g sample of H2C2O4·2H2O is dissolved in water and titrated to a phenolphthalein endpoint…

A: H2C2O4 is a diprotic acid. 1st equivalence point occurs at pH 2-3 and the 2nd equivalence point…

Q: mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20 mL…

A: We add excess  potassium iodide to  hypochlorite sample. oxidation reduction reaction takes place…

Q: The aluminum (FW=26.98 g/mol) in a 1.000-g sample of impure ammonium. Aluminum sulfate was…

A: Solution - According to the question - Formula used -  A is the mass of the product of known…

Q: An analyst was assigned to work a sample with minerals. This iron-containing sample was analyzed by…

A: First , we calculate moles of ferric oxide by dividing mass with molar mass. based on reaction…

Q: A 14.00 mL sample of sulfuric acid is diluted to 50.00 mL. A 10.00 mL aliquot is titrated to a…

A: