6)a. Potassium permanganate c. Calcium carbonate e. Ferric carbonate g. Sodium sulfite i. Iron (II) oxalate k. Potassium dichromate m. Chromous nitrite o. Uranyl acetate q. Sodium silicate s. Potassium chlorate u. Sodium Borate

Q: 9. For the reaction: 2H, + 0, →2 H,0 A) What is the mole ratio? B) What is the mass ratio?

A: Note: Since you have posted multiple independent questions, we will solve first part for you. To get…

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Option 4- 9.38%

Q: If a fuel contains 86% C, 9% H2, 1% S and 4% ash (silica) by mass, determine: (b) (i) the total…

A: SOLUTION : CARBON Mass ratio C + O2 = CO2 12 + 32 = 44 Hence 0.86kg of C need (32/12)x0.86=2.293kg…

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

A:

Q: The first inert gas compound to be synthesized was XePtF What is the percentage of xenon in the…

A:

Q: 9. Phosphorus reacts with oxygen gas to produce tetraphosphorus decoxide. 4 Po + 5 02(g) P,O 10(9)…

A:

Q: 27. The balanced equation for the reaction of metallic iron with O2 gas to pr oxide is shown below.…

A:

Q: 1. ferric oxide(s) + nitric acid (ag) products 2. lead (II) chromate(s) + sodium acetate (ag)…

A:

Q: 4. What mass of hydrogen sulphate can be prepared from 50.0 g sulphur dioxide, 15.0 g oxygen, and…

A: We have given,  Mass of sulphur dioxide = 50.0g Mass of oxygen = 15.0 g  Mass of water = 980.0g

Q: sulfides of chromium O CrS2 O CrS O Cr3S2 O Cr2S3 nitrides of chromium O Cr2N3 O CrN O CrN3 O Cr3N2

A:

Q: An impure sample of Na2SO4 weighed 1.562g. A BaSO4 precipitate from this sample weighed 2.496g.…

A: Percentage of sulphur is 13.74% .

Q: ammonium chromate molybdenum (VI) dichromate rhenium (IV) hydroxide disilicon octabromide iron (II)…

A:

Q: A mixed with extraneous matter sample containing aluminum (Al) weighs 1.35 g. the sample a was…

A: Wt. Of Sample = 1.35 g Mass of Al2O3 ppt. = 255.00 mg = 255 * 10-3 g Molar Mass of aluminum = 27.00…

Q: What is the percentage of iron (AW 55.845 g/mol) in an ore if the weight of Fe203 (FW 159.687 g/mol)…

A: The molar mass of iron (III) oxide is = 159.687 g/mol The atomic mass of iron is = 55.845 g/mol The…

Q: 011: calculate mass needed to prepare 5.0L of 0.10N Na,CO,(105.99g/mol) from standard solid.

A:

Q: Ammoniacal nitrogen can be determined by treatment of the sample with chloroplatinic acid, the…

A: The precipitate contains two mols of ammonia for per mol of Pt yielded on ignition. Now by…

Q: What is efflorescence? Give an example?

A: The structure of chemical compound can be represented as structural formula. A structural formula…

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium  and 38.58 % Oxygen. What mass…

A: Provided %of V in VO2= 61.42% Provided % of oxygen in VO2= 38.58% Let (w) mass of VO2 is needed to…

Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

A:

Q: The reaction between aluminium powder and chlorine gas b. The reaction between magnesium oxide…

A:

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium and 38.58 % Oxygen What mass of…

A: The mass percent of vanadium in vanadium(IV) oxide is = 61.42 % The required mass of vanadium is =…

Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

A:

Q: Metal is an element that readily produces positive ions (cations) and has metallic bonds to form…

A: Problem 1( question 1) is solved here. note: for other problems, ask them separately. Sodium -…

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium and 38.58 % Oxygen. What mass of…

A: The answer to the following question is-

Q: Ammoniacal nitrogen can be determined by treatment of the sample with chloroplatinic acid; the…

A: When ammonium chloroplatinate decompose it produce ammonia gas, platinum, chlorine gas, and…

Q: In the chemical equation: Fe203(s) + 2 AI(s) --> 2 Fe(l) + Al20(s) the (I) means O a. solid O b.…

A:

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: Given information, Molarity of potassium chlorate (KClO3) = 3.47 M Volume (V) = 610.72 mL = 0.61072…

Q: The reaction of elemental potassium and S8 (elemental sulfur exists in its crystalline state as an…

A: Introduction: We have to write the equation between potassium and S8.

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Given: The mass of the sample is 0.4334 g The volume of hydrochloric acid (HCl) is 24.61 mL The…

Q: 1.600 g of aluminum sulfate sample was dissolved in water and aluminum was precipitated as Al(OH)3.…

A: The mass % of the substance is equal to the ratio of mass to the molar mass of the substance…

Q: 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCI were…

A:

Q: Which of the following compounds has the same oxidation state of sulfur? SO2, SO3, and SO,?-all have…

A: The oxidation number of oxygen in most of its compound is -2.

Q: The chemical formula of potassium thiosulfate is K_22​S_22​O_33​. What is the oxidation state of…

A: Given, potassium thiosulphate  Formula: K2S2O3  An alkali metal always has  +1 oxidation state. The…

Q: 6)a. Potassium permanganate c. Calcium carbonate e. Ferric carbonate

A:

Q: Bromine water is a solution of the element bromine in water. It can be made by dissolving a sample…

A:

Q: How many mg of iron are present in a 236.5 g ore sample containing 0.15% iron by mass?

A: We need to first calculate the mass of iron present by mass in the given quantity of ore, and then…

Q: - NH," (s0,4)→ (wm), o, - (NH.), SOu 3. Ammonium sulfate 4. Potassium silicate 5. Cadmium…

A: These are the inorganic compounds , their formula can be drawn easily by using proper elements with…

Q: - Which of the following is false regarding the reaction of 130.8 g of Zn with a sufficient amount…

A: Balanced reaction is :  Zn + 2HCl ( in water ) -----> ZnCl2 + H2   But, the reaction of 130.8g of…

Q: (b) A metallurgical laboratory carried out analysis of a sample in which analysis of Mn was done by…

A: The mass of the ore sample is = 3.18 g The mass of the MnSO4 precipitate is = 0.28 g The percentage…

Q: 3. How many grams of sodium metal will be produced from 140g of NaN3? O 49.5g O 215g 0 42g O 99E

A: • No. of moles=Gives massMolar mass• Mass = No. of moles × Molecular weight• Molar mass of NaN3 = 65…

Q: A secondary step in the process to produce ultra-pure silicon is to combine silicon tetrachloride…

A:

Q: A mixture containing only FeCl3 and AlCl3 weighs 10.95 g. The chlorides are converted to the hydrous…

A: Weight of chloride mixture = 10.95g Weight of oxide mixture = 5.62g Molecular weight of FeCl3 is…

Q: A 0.8571 g sample of iron ore is dissolved in acid, the iron is oxidized to the +3 state and then…

A: The mass of the iron ore sample is = 0.8571 g The mass of iron(III) oxide is = 0.1132 g The molar…

Q: 0.5166 grams of iron mineral is dissolved with acid and Fe2+ is titrated with 42.96 mL of 0.0213 M…

A: Solution -  According to the question - Given values are - Molarity of Na2Cr2O7 is 0.0213 M Volume…

Q: g. TiO, h. FeCl, i. P,O,

A: PART 6B (g.) TiO2  So, name of the compound is given by as follows- Titanium dioxide Or Titanium(IV)…

Q: What do the results of the litmus test tell us when reacted with magnesium, calcium, lithium,…

A: Litmus test:  If the given material is acidic, the blue litmus paper turns red. If the given…

Q: Aluminum-lithium alloys have been developed by the aircraft industry to reduce the weight and…

A: Given :- Density of aluminium = 2.71 g/cm3 Density of lithium = 0.534 g/cm3 Density of aluminium =…

Q: 24. A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure…

A: First of all we have to find mole of Fe from the mole of Fe2O3. From that we will get mass of Fe.…

Q: (3) äg 21 20 J Jal dall Phosphorous acid upon thermal decomposition yields phosphoric acid…

A: phosphorous acid undergo thermal decomposition to give phosphoric acid and phosphine.