1. Three elements in Group 8A of the periodic table are called noble gases: helium, neon, and argon. Explain the term noble "in this particular setting. 2. Identify these compounds as follows: (a) KCIO, (b) AgCO3, (c) FeCl2, (d) KMnO4, and (e) CsCIO3. 3. Create chemical formulae for the following compounds: (a) rubidium nitrite, (b) potassium sulfide, (c) perbromic acid, (d) magnesium phosphate, and (E) calcium hydrogen phosphate.

Q: 3. Н.РО, 4. Al(ОН),

A: Given, 3. H3PO4 4. Al(OH)3      Required,                    Percentage composition of the above…

Q: Calculate the mass of copper(II) sulfate pentahydrate (CuSO4•5 H2O, FW = 249.685 g/ mol) needed to…

A: The mass of tetraamminecopper(II) sulfate monohydrate is = 3.00 g The molar mass of…

Q: 5 B. A student writes the following incorrect chemical equation for a single replacement reaction…

A: Hi, since you have posted multiple questions, we will answer the very first question for you. Kindly…

Q: 6. What is the % composition of carbon in CH,COONA? a, 29.3% b. 40% 49% d. 49.1% C.

A: ANSWER 6- Percent composition of carbon in CH3COONa Given mass of carbon = 12 g, hydrogen = 1 g,…

Q: CI OH 2 3

A: R/S configuration is another method which naming of compounds having chiral centre is done by CIP…

Q: What are the basic units-single atoms, molecules, or for- mula units-that compose each substance?…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Tetracarbon dioxide is an unstable oxide of carbon with thefollowing molecular structure:What are…

A: The name of the compound given is tetracarbon dioxide. And the structure of the compound is given as…

Q: (V,Os) (1.0 × 10º)- Calculate the mass of vanadium(V) oxide that contains a million vanadium atoms.

A: Given : number of V atoms = 1.0 × 106 atoms  To calculate :- mass of V2O5

Q: Write a balanced chemical equation for the reac- tion of bromine and triolein, a triglyceride of…

A:

Q: The total weight of a mixture containing CaO and BaO is 0.6411 g, and the weight of anhydrous…

A: The total weight of CaO and BaO is 0.6411 g. The total weight of anhydrous sulphate salts obtained…

Q: Dolomite is a carbonate of magnesium and calcium. Analysis shows that 7.81 g of dolomite contains…

A: The given data contains, mass of dolomite = 7.81 g. mass of calcium = 1.70 g

Q: Fe(NO,), + 3 NH,OH Fe(OH), + 3 NH,NO,

A: Balanced equation can be written as

Q: Madagascar is one of the most important gem-producing countries. three tonnes of Madagascar rock…

A: In order to solve this question, we will be using basic mole concepts. Also, since you have asked…

Q: Bromine forms four oxoacids, similar to those of chlorine. What is the name of the acid HBrO2 and…

A: In the given question we have to write the name of the following acid and salt. we know that,…

Q: Hydrates take the form: compound·nH2O. An unknown hydrate has a molar mass of 446 g/mol.  If the…

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Q: CH6 (g) 7. The combustion of ethane gas: The combustion of octane gas: C,H18 (9) 8. 9. The…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Explain  question 2 what is the true percentage of water in BaCl2•2H2O?

A: Because water has a molar mass of 18.015 g/mol, it follows that 2×18.015 g of water for every…

Q: What is the alumina content in weight % of the garnet with Al as the only 3+ cation has Mg2.508…

A: It is given that Al and Mg2.508Fe0.492 are the part of mineral. The oxidation state of Al in the…

Q: Complete reaction

A: Given is the substituted benzene which contains both the electron-donating group(-OCH3) and…

Q: 8. The chemical formula for water is H,O. What is the chemical formula for methane? a. O2 b. CO2 с.…

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Q: In a TLC experiment, three spots were made. In spot A was a crude sample of a mixture of three…

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Q: in) 2 LL EHOH nNH, xi) OH HSO, (q)

A:

Q: Use the standard entropy data to determine the change in entropy for each of the reactions listed in…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three sub -…

Q: c. chlorine trifluoride CIF3 d. Iodine disulfide I,S,

A: See explanations

Q: 2) Methanol (CH3OH) is a single-carbon alcohol that is commonly known as wood alcohol, because it…

A: A mole of an element or compound has Avogadro number of atoms or molecules in it. Each element or…

Q: Bimethylhydrazine, the fuel used in the Apollo lunar descent module, has a molar mass of 60.10…

A: Dimethyl hydrazine used as fuel has a molar mass of 60.10 g mol-1.  It is made of carbon, hydrogen…

Q: sent in 8.58 x 102 molecules of this compound?

A: Dear student I have given answer to your first question in the image format. i cannot answer other…

Q: Pentaerythritol tetranitrate (abbreviated PETN, chemical formula C5H8N4O12) is an explosive material…

A: The explosion of PETN can be represented by:…

Q: 9. What is the % composition of sodium in CH,COONA? а. 3% b. 13% C. 29.3% d. 82%

A: PERCENT COMPOSITION: Percent composition is of an element present in a compound is defined as the…

Q: Br2, Fe

A: Benzene gives an aromatic electrophilic substitution reaction. The reaction completes in two steps.…

Q: salts? 1. LizC204 2. LİCIO 3. LICIO4 4. Li¿CO3 5. LiBr

A: 1. Li2C2O4 =  BASIC (salt of a weak acid and a strong base) Li2C2O4---> 2Li^+(aq) + C2O4^2-(aq)…

Q: xplaining to me in great detail how to name Sr(OH)2 and Fe(OH)3 compounds. What type of compounds…

A: Given : We have to tell about the given compounds .

Q: Balance the following equation:   _____ Nm2Bf3 (aq) + _____ Cv (s) à ______ Cv2Bf (aq) + _____ Nm…

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Q: Which of these elements is most reactive? -- I F Br Cl

A:

Q: 2. Explain how the chemical formulas H (aa and H.O for the same thing. are interchangeable notation…

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Q: How could you separate zinc chloride from SiO2?

A: Zinc chloride can be separated from the mixture of the silicon dioxide by dissolving the silicon…

Q: A certain element, M, is a main-group metal that reacts with chlorine to give a compound with the…

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Q: 6BASO4 9KSO, 5AIPO. 4Mg(OH)2 3Ba(CN)2 14NazCrO

A: Molecule  Atoms in element 1 Atoms in element 2 Atoms in element 3 Atoms in element 4 Total atoms in…

Q: 6.Calculate the mass percent of H in CH5N.

A: 1- First we will determine the mass of compound :  Molar atomic mass of C, H and N are 12, 1 and 14…

Q: Carbon Dioxide Potassjum KI lodide Dichloro- CH.CL methane Nitrogen Oxygen

A:

Q: Write the chemical equation for the word equation below. Each blank should be a different substance…

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Q: Balance the following equation by filling the gaps with appropriate numbers. КОН + H3PO4 ]KSPO4…

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Q: (1) (i-Bu);AlH, hexane, -78 S OCH (2) Н,о

A: The major product of the given reaction is below:

Q: Give the empirical formula for decaborane, whose molecularformula is B10H14.

A: The given molecular formula is B10H14 The empirical formula is the one which shows the simplest…

Q: 7. Fill in the boxes below Tutors - conceptual help only! (a) 1. NAOE: 2. CILBr 3. NaOEt 4. EtO OEt…

A:

Q: 1. A sample containing only CaCO3 (100.0869) and MgCO3 (84.3139) was ignited and carbonates…

A: Molar mass of CaCO3 = 100.0869 g/mol Molar mass of MgCO3 = 84.3139 g/mol Molar mass of CaO = 56.0774…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.