another question  The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitatedwith aqueous ammonia as the hydrous Al2O3 · XH2O. The precipitate was filtered and ignitedat 100°C to give anhydrous Al2O3, which weighed 0.2001 g. Express the result of this analysisin terms of % Al.

Q: A 1.00 g sample of a magnesium-aluminum alloy yields 0.107 g H2 when treated with an excess of…

A: Given, Mass of Mg-Al alloy = 1.00 g Mass of H2 produced = 0.107 g   Moles of H2 produced can be…

Q: 1.736 g of iron ore is dissolved with acid and precipitated as Fe2O3X.H2O. After the precipitate is…

A: The percentage of the Iron in the sample of iron ore can be calculated as:

Q: What mass of Co3(PO4)2 will be produced when 15.0 mL of 0.0500 M CoCl2 times 6H2O reacts with excess…

A: Chemical reactions containing reacting molecules, in which one exists in large quantity gets…

Q: The phosphorus in a 0.2222-g sample was precipitated as the slightly soluble (NH4)3PO4 • 12Mo O3.…

A: P2O5 = 2 (NH4)3PO4 • 12Mo O3 = 24 PbMoO4   Moles of PbMoO4 are, Moles = mass ÷ molar mass Moles =…

Q: 16.792 g of Ba(OH)2 (171.342 g.mol-1) is weighed out and carefully dissolved to make a 500.00cm3…

A:

Q: A 1.6394-g sample of limestone taken from Sinuhutan Cave in Brgy. Onop, Miagao was analyzed for Fe,…

A: ib

Q: 3. Complete the following reactions (indicate product(s) and balance). A. HBr + LiOH В. Н.SO, + КОН…

A: "Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The capacity of the soils to hold exchangeable cations therefore also depends on Blank 1.

A:

Q: GROUP WORK An iron ore was analyzed by dissolving a 1.1324 g sample in concentrated HCI. The…

A:

Q: 2. 0.4852 g sample of iron ore is dissolved in acid, oxidized to +3 state and precipitated as…

A:

Q: Calculation:Calculate the final concentration of a solution prepared by diluting 1.50 mL of a 20.00…

A: The final concentration of a solution is to be calculated which is   prepared by diluting 1.50 mL of…

Q: A 0.6447 g portion of manganese dioxide was added to an acidic solution in which 1.1402 g of a…

A: Given data, MnO2 taken = 0.6447 g Chloride sample taken = 1.1402g MnO2 recovered = 0.3521g.

Q: A 0.2417g sample of a compound composed of C,H,O,Cl only, is burned in oxygen yielding 0.4964g of…

A:

Q: How can you prepare 0.5 N of 500 mL Hydrochloric Acid if you know Sp. Gr. 1.184, percentage ratio…

A: Given data: Specific gravity = 1.184 Percentage ratio = 0.37 Molecular weight of HCl = Atomic weight…

Q: Aluminum in an ore sample is determined by dissolving it and then precipitating with base as Al(OH)3…

A: Given, 0.2385 g of precipitate

Q: The phosphorus in a 0.2091-g sample was precipitated as the slightly soluble (NH4)3PO4 • 12 MoO3.…

A: Given Mass of PbMoO4 = 0.2922 gram Total yield of sample  = 0.2091 gram We have to calculate the…

Q: Solution A is 0.2400 M Ca(NO3)2(aq). Solution A is diluted by a factor of 3 to form sloution B…

A: The reaction taking place is  3As2O3 + 4NO3- + 7H2O + 4H+ → 6H3AsO4 + 4NO Balancing explanation :…

Q: What mass of AgI can be produced from a 0.240g sample that assays 30.6% MgI2?

A: Since the mass of MgI2 in the sample = mass of sample X % of MgI2 / 100 => the mass of MgI2 in…

Q: Write the balanced neutralization reaction that occurs between H2SO4H2SO4 and KOHKOH in aqueous…

A: The balanced neutralization reaction that occurs between sulfuric acid and potassium hydroxide in…

Q: What is the theoretical yield of Hg2Cl2 when 3.0 mL of 0.25 MKCI is mixed with excess Hg2(NOs)2?

A: Volume of KCl = 3 ml = 3/1000 L = 0.003 L Molarity of KCl = 0.25 M

Q: the reaction of sodium phosphate (Na3PO4) solution with lead (II) chlorate [Pb(ClO3)2] solution…

A: Precipitation reactions occur when cations and anions in aqueous solution combine to form an…

Q: The percentage of protein in most food products is found arbitrarily by multiplying the percentage…

A: One of most important element that is present in protein is nitrogen. In the food product, the…

Q: What volume of 1.50 MSrCl2 is needed to prepare 525 mL of 5.00 mMSrCl?

A: 5.00 mM=0.00500M Here we use the formula =  M1V1=M2V2

Q: Find the percentage composition by mass of each compound given:  Raw Materials: 500 g calcium…

A: Given: mass of calcium polysulphide(CaS5) = 500 g mass of HCl = 1.5 kg = 1500 g Actual Yield: 343.4g…

Q: Sulfanilic acid used 25g, Sodium carbonate used 15.2g, Sodium nitrate used 9.94g, 6M HCI used 72 ml,…

A: Sulfanilic acid(C6H7NO3S) reacts with Dimethyl aniline(C8H11N) in the presence of sodium carbonate,…

Q: The aluminum in a 1.520-g sample of impure ammonium aluminum sulfate was precipitated with aqueous…

A: Given data : Mass of sample = 1.520 g  Mass of Al2O3 = 0.2001 g

Q: Calculate the limiting and excess reagent of 3I2 + 6KOH → 5KI + KIO3 + 3H2O with solutions. 950g=I2,…

A: The chemical equation is given as:3 I2 + 6 KOH → 5 KI + KIO3 + 3 H2OMolar mass of I2 = 253.8…

Q: A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric…

A: Yield is defined as the amount produced during a reaction. It means that yteld is nothing but the…

Q: How many grams of Ni(OH)2 are produced from the reaction of 45.0 mL of a 1.60 M NaOH solution and…

A: Given, 45.0mL of 1.60M NaOH

Q: The aluminium in a 1.2 g sample of impure NH4Al (SO4)2 was precipitated as hydrous Al2O3. The…

A: The number of moles is defined as the ratio of the mass of a substance to its molar mass. Number of…

Q: 5. The dichromate ion, Cr2O72- reacts with methanol, CH3OH in acidic solution according to the…

A: Final volume = 200 x 3 = 600 mL [Cr2O72-] = 200 x 1 / 600 = 0.33 M [CH3OH] = 200 x 1.875 / 600 =…

Q: A sample of fuming suifuric acid containing only SOs and sulfuric acid weighs 1.400 grams and…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In gravimetric determination of sulfate present in the soil, 0.2075g of sample was treated with 0.2…

A: The reaction between Sulfate present in the salt and BaCl2 is as follows, SO42- + BaCl2 →BaSO4 +…

Q: 0.6465 grams of bleach, Ca(OCl)2, is dissolved in acid and treated with excess KI. Calculate the…

A: Weight percent of Ca(OCl)2 quantitatively determined by titration.  First excess kI is added with…

Q: If the typical yield is 83.4%, what mass of aluminum chloride should be expected if 3.50 kg of…

A: Given;

Q: Oxalic acid (H2C2O4) is an acid widely used in chemical analysis, industry and veterinary…

A: 0.2255 g of a sample of raw oxalic acid is titrated completely with 23.2 mL of a 0.1522 mol/L of…

Q: To prepare 50 mL solutions of 0.1 M CuSO4 in water (calculation to prepare chemicals in…

A:

Q: How many grams of chromium(III) nitrate are required to prepare 500.0 mL of an aqueous solution…

A: The grams of chromium (III) nitrate, that are required to prepare 500.0 mL of an aqueous solution…

Q: Calculate the theoretical mass of NaBH4 needed to reduce 100mg of Benzil to (+-)-benzoin

A:

Q: Sulphur trioxide gas is obtained by the combustion of pyrites (FeS,) according to the following…

A: Mass of SO3 = 100 Kg = 100 x 103 gm  Molar mass of SO3 = 80 gm/mole  Molar mass of FeS2 = 120…

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)). If you start the…

A: The limiting reagent in a chemical reaction is a reactant that is present in smaller quantity and…

Q: If MgCl2·H2O is the limiting reagent with a mole amount of 0.00189 mole. What is the theoretical…

A:

Q: Suppose 0.750 L0.750 L of 0.440 M H2SO40.440 M H2SO4 is mixed with 0.700 L0.700 L of 0.300 M…

A: The balanced neutralization reaction between sulfuric acid and potassium hydroxide is given by

Q: To prepare 50 mL solutions of 0.01 M KMnO4 in water (calculation to prepare chemicals in…

A:

Q: What volume of 0.0500 M CoCl2.6H2O is required to react completely with 75.0 mL of 0.0500 M K2CO3.

A: Since the reaction between CoCl2.6H2O and  K2CO3 will be =>  K2CO3 + CoCl2.6H2O ------> CoCO3…

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory as a…

A:

Q: Calculate the mass of CO2formed if 150 mL of 0.5 M C4H10reacts with excess O2

A:

Q: Iodine is made by the following reaction 2NaIO3+5NaHSO3->3NaHSO4+2Na2SO4+H2O+I2 a. Name the two…

A: Two reactants that participate in a reaction are sodium iodate (NaIO3) and Sodium bisulfite…

Q: A 0.2795 g sample of an organic mixture containing only C,H,Cl5 (290.83 g/mol) and C,4HgCl5 (354.49…

A: Given: Compound A (C6H6Cl6) ; 290.83 g/molCompound B (C14H9Cl5) ; 290.83 g/molAmount of A+ B= 0.2795…

Q: 5. The iodide in a sample that also contained chloride was converted to iodate by treatment with an…

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

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".