Identify the empirical formula for the compound with the mass composition and mass spectrum shown below 40.0% C, 7.7% H, 17.8% O, and 35.5% S Relative Intensity 100- 80 60- 40 20- 0- 20 C4H10O4S2 C6H140252 C₂H5O2S C3H₂OS 40 60 80 100 120 m/z 140 160 180 200

Q: C. What is the mass (in grams) of 5.03 × 1022 molecules of CO2 molecules?

A: Number of molecules of any species is given by, => Number of molecules = moles X Avogadro's…

Q: What is the formula for the compound sodium hypochlorite? Explain how you were able to write the…

A: Ionic compound: Ionic compound composed of cation which is positively charged (+charge) and an anion…

Q: مان A₂B(g) +B(g) =A₂B₂ (g) 1 c = 16-4 2 Ag+ 2B (g) = A ₂ B₂ (g) kc = 28.2 Fc for the reactio 6 A (g)…

A: here we are required to find the equilibrium constant for the given reaction.

Q: . How many oxygen atoms are in 76.3 g N2O4? Conversion must be set-up in one step using dimensional…

A:

Q: 2. A mixture of Na2SO4 and its hydrate Na,SO4-10H2O has a mass of 1.5099 g. After heating to drive…

A: Mass percent :- The mass of a component present in 100 grams of a mixture is known as mass…

Q: A container has 5.30 x 1023 molecules (aka atoms) of bromine gas. Calculate the mass (in g) of…

A: A container has 5.30 x 1023 molecules (aka atoms) of bromine gas. We have to calculate the mass (in…

Q: A container has 5.80 x 1023 molecules (aka atoms) of bromine gas. Calculate the mass (in g) of…

A: Bromine gas = Br2 Molar mass of Diatomic  Br2 gas = 159.808 g/mol 6.022 x 1023 molecules mass =…

Q: 1. Use chemical symbols to generate the factor needed to convert the weight of the substance in uie…

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

Q: The “lead” in lead pencils is actually almost pure carbon and the mass of a period mark made by a…

A: Answer = 5.02 x 10 19

Q: 2. If the mass of H4X3 is 40 g, then X must represe (1) O (2) CI (3) Kr (4) C

A:

Q: About Gravity, tick only the incorrect alternative(s), choose one or more: a) In gravimetric…

A: Gravimetric analysis is a technique used in inorganic labs to determine the amount of analyte…

Q: A 5.276 g sample of Al-Mg alloy is digested in nitric acid (to Al*3 and Mg*²). The solution is…

A: Given: Mass of sample = 5.276 g The solution is diluted = 500 mL three 100 mL of solution titrated…

Q: - Potassium metal has a density of 0.89 g/cm³ and can be (carefully!) cut with a knife. Imagine you…

A:

Q: O 1. LDA, THF 2. CH31, HMPA 3. H*, H₂O

A: Organic transformation

Q: A sample of a compound with the molecular formula C20H24N2O2 contains 2.75 x 1024 nitrogen atoms.…

A: Molar mass of any substance is the mass of one mole of the substance, which is expressed as g/mol.…

Q: Where did you get 5.8166

A: See the quadratic equation,  4.8166 = x/(2.4-x) 4.8166 × (2.4-x) = x 4.8166 × 2.4 - 4.8166x = x…

Q: B How may oxygen atoms are in 225 g of oxygen gas? 4.23 x 102+ b. 6.84 x 10²4 8.47 x 10²4 1.69 x…

A: To calculate the number of oxygen atoms in 225 g of Oxygen gas.

Q: bromide carbcnate | chiorate chioride chromate nitrate phosphate sulfate sulfide co,2- Cro,2- NO,…

A: In given table, we will fill only first three rows according to the guidelines of Bartleby. To write…

Q: 5. Aspartame is the artificial sweetener sold as a Nutrasweet and Equal sweetener over the counter.…

A: We have to calculate the mass% of each element.

Q: impurity, for example, when 2 g is dissolved in water and oxidized, then precipitated Fe (OH)3 is…

A:

Q: OH NH₂ 1. PCC 2. TSOH a.

A:

Q: Quartz, SiO2, contains 46.7% silicon. What mass of silicon is present in 370 g of quartz?

A: To solve this problem we have to calculate the mass of silicon present in quartz .

Q: 1. Balance the following chemical equations: HNO3(aq) b. a. N₂O5(g) + H₂O(1) K₂0(s) + H₂O(1) →…

A:

Q: Calculate the mass in grams of 6.12 mole Cu(NO3)2.

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: The mass of K3PO4 needed to prepare 250.0mL of an aqueous solution in which PO4-3 concentration is…

A:

Q: If you started with 7.25 bsh, how many bgt is equal to this?

A:

Q: Mn. S,O. n H20 is the general formula of a certain hydrate. When 234.9 g of the compound of the…

A:

Q: What is thé mass percentage of C in codeine, C18H21NO3? Provide an answer to two decimal places.

A: Given : We have to calculate mass percentage of carbon in codeine.

Q: You wish to prepare 210 grams of 16.3 % Mg(NO3)2 You will need grams of magnesium nitrate and mL of…

A: Given that we have to prepare a 210 grams of 16.3 % MgNO32 solution. Recall the expression of mass…

Q: Mole is the term used to express the quantities of substances involved in a chemical reaction. Mole…

A:

Q: A student performed the identical experiment to isolate Fe, NaCl, and SiO2 in a mixture. They…

A: Mixtures can be physically separated by using methods that use differences in physical properties to…

Q: A 1.000-g sample of impure Al2(CO3)3 (233.991 g/mol) decomposed with HCI according to the equation…

A: Here first we have to determine the number of mole of Al2(CO3)3 present. We can get this from the…

Q: natural rubidium has the average mass of 85.4678 AMU and is composed of isotopes Rb 85 (mass =…

A: Average atomic mass = ∑i=1XiMiWhere X = mole fraction of the isotope and M is the mass of the…

Q: 1. silver bromide a. Ag2Br b. Ag2Br2 C. AgBr2 d. AgBr 2. cobalt(III) oxide а. Соо b. Co2O3 с. Со2О…

A: Ionic compounds are formed by the transfer of electrons. The cation donates the electrons and the…

Q: Determine the formula weights of each of the following compounds: (a) H2S; (b) NiCO3; (c)…

A: For calculating the formula weight, add the molecular mass of all atoms with the no of atoms present…

Q: 2Na + Cl2 → 2NaCl. If I want to make 100.0 g of salt, how much elemental chlorine would I need?

A: First convert mass into molar mass  Then use mole-mole relationship  After getting mole of  Cl2 then…

Q: 5. An ore contains 36.9% of the mineral cuprite, Cu₂O, which is a source of the element Cu. How much…

A:

Q: 1.Glucose is an important biological molecule with the molecular formula C₆H₁₂O₆. What is its…

A: 1.Glucose is an important biological molecule with the molecular formula is C₆H₁₂O₆. An empirical…

Q: 410.0 mL of a 4.8 mol/L silver nitrate (AgNO 3 ) a reaction flask. Calculate the mass in kilograms…

A: Given Mass of silver nitrate =m g  Molar mass of silver nitrate = 169.87 g/mol Moles = Mass ÷  Molar…

Q: d. The two copper atoms in R have the ability to bind one molecule of 0, (Cu-0-0-Cu). If, at…

A:

Q: What is the mass, in grams, of 1.67 x 10^15atoms of Mn

A:

Q: Lead is found in Earth’s crust as several different lead ores. Suppose a certain rock is 38.0% PbS…

A:

Q: 1. How many grams of Pb2+ are present in 2.76 grams of lead(II) nitrite? grams Pb²+

A: As you have posted two different question , we will solve first one as per our guideline    1. Lead…

Q: 5. How many protons (P), neutrons (n) and electrons (e) are present in 18173Ta-³? a. 76 p 105 n 73 e…

A: (5) The number on the bottom left corner is the atomic number, which tells you the number of…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.