A 6.40 g sample of a compound is burned to produce 8.37 g CO, 2.75 g HO, 1.06 g N, and 1.23 g SO. What is the empirical formula of the compound? Give your answer in the form C#H#N#O#S# where the number following the element’s symbol corresponds to the subscript in the formula. (Don’t include a 1 subscript explicitly).

Q: A compound contains 21.6% Na, 33.3% Cl, and 45.1% O. Write the empirical formula and name the…

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Q: alculate: c. Total number of ions in 5.82 g of SrH2 d. Mass in mg of 2.88 x 10 22 formula units of…

A: Number of moles is defined as the ratio of given mass by the molar mass. The formula to calculate…

Q: 2NaI(aq)+Cl2(g)⟶I2(s)+2NaCl(aq)2NaI(aq)+Cl2(g)⟶I2(s)+2NaCl(aq)   How many grams of sodium iodide,…

A: The number of moles of a compound is calculated by taking the ratio between mass to the molar mass…

Q: Ex 1: A 14.81 g sample of a zinc sulfate hydrate, ZnSO4•xH;O(s), is heated to dryness leaving 8.27 g…

A: Given: Mass of hydrate used = 14.81 g. And mass of anhydrous salt ZnSO4 produced = 8.27 g.

Q: If the sample has a molar mass of 176.0 g/mol, what is the molecular formula of the sample?

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Q: a. Quinoline, a starting compound for drugs, consists of C, H, and N. Combustion of such compounds…

A: Given: Compound contains only C, H and N. Mass of compound combusted = 9.71 mg = 0.00971 g.…

Q: 1. A certain compound is accidentally synthesized by a chemist in a laboratory set-up. He discovers…

A: Number of moles of any substance = mass of substance/molar mass of substance  Mol ratio for…

Q: Q.4. Zinc metal can be obtained from zinc oxide, ZnO, by reaction at high temperature with carbon…

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Q: Calculate the number of C atoms in 5.50 g of C. 6.02 x 10 23 C atoms O 3.31 x 10 24 C atoms O 5.01 x…

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Q: 4 C3H;N3OS(1) → 12 CO2(g) + 6 N2(g) + O2(g) + 10 H20(g) a. How many oxygen atoms are present in a…

A: Number of moles = mass/molar mass  Mass = moles × molar mass  Density = mass/volume  Mass = density…

Q: Consider the following chemical reaction: Na2CO3(aq) + HCl(aq) -----------> NaCl(aq) + CO2(g) +…

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Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

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

Q: a) What is the mass of 2.450 x 10²⁴ atoms of tungsten (# 74)? (Be sure to write your units, chemical…

A: The solution is shown in the image below-

Q: Question attached

A: Interpretation - To find the number of molecules present in each of the samples.   Formula used -…

Q: A 5.91 g unknown sample analyzed by elemental analysis revealed a composition of 37.51 % C. In…

A: Given A 5.91 g unknown sample analyzed by elemental analysis revealed a composition of 37.51 % C. In…

Q: 1. The number of atoms in 2.0 mol of nitrogen gas, N2, is: a. 1.8 x 1024 b. 2.4 x 1023 c. 1.2 x 1024…

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

Q: Opal is a hydrated form of silica. If a laboratory analysis of a sample of opal reveals it to…

A: Hydrated form of silica means some of water molecules are present in form of H2O in silica compound.

Q: One of the key ingredients in certain cosmetics is Pb2Cl2CO3 and is created as shown in the reaction…

A: Given mass of CO2= 4.87 g  Given mass of H2O = 2.7 g  Given mass of NaCl = 0.46 g  Given mass of PbO…

Q: Determine the empirical formula of the compound according to its elemental analysis: 38.13% C by…

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Q: is an impossible formula.  If it were real, determine the molar mass of: Fe2S4O5 Remember that you…

A: Given -> Atomic mass of Fe = 55.85 g/mole Atomic mass of S = 32.06 g/mole  Atomic mass of O =…

Q: A 45.0-mg sample of boron reacts with oxygen to form 145 mg of the compound boron oxide. What is…

A: Empirical formula is the basic simple ratio formula of a molecule after finding the moles of that…

Q: A combustion analysis is a technique to find the the empirical formula of compounds. In a combustion…

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Q: 1. What is the empirical formula of naphthalene, C10H8? 2. The empirical formula of acetic is CH2O,…

A: Since you have asked multiple questions we will solve the 1st three for you. If you want an answer…

Q: Give the Empirical Formula of the compound if the sample contains:  a. 66g Iron and 5.01g Oxygen  b.…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 5A. Sorbitol, used as a sweetener in some sugar-free foods, has a molecular mass of 182 u and a mass…

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Q: 2) For the following reaction N2 (g) + 3H (g) →2NH3 (g) The mass of NH, resulting from the reaction…

A: Given equation is : N2 (g) + 3H2 (g) ------> 2NH3 (g)  Given moles of H2 = 0.25 mole  Mass of NH3…

Q: Nicotine, a poisonous compound found in tobacco leaves, is 74.0 % C, 8.65 % H, and 17.35% N. Its…

A: Given: Percentage of C in nicotine = 74.0 % Percentage of H in nicotine = 8.65 % Percentage of N in…

Q: Solve the attached

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: Ethylene glycol, the substance used in automobile antifreeze, is composed of 38.7% C, 9.7% H, and…

A: Let us assume we have 100 g of Ethylene glycol, then percentages become grams as follows –  mass of…

Q: A 4.73 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion…

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Q: A combustion analysis of a 0.44g sample of an unknown compound yields 0.88 g CO and 0.36 g HO. If…

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Q: empirical formula?

A: We can determine the empirical formula by taking the molar ratio of elements.  We can take the…

Q: Solid red phosphorus reacts with liquid bromine to produce a phosphorus bromide.…

A: In this question, we want to determine the Empirical formula for PxBry and determination of…

Q: A combustion analysis of a 0.503 g sample of an unknown hydrocarbon yields 1.53 g CO and 0.756 g HO.…

A: Please find your solution below : Empirical formula of a compound is a formula that shows the…

Q: 4 NH3 (g) + 7 O2 (g) → 4 NO2 (g) + 6 H2O (g) The combustion of 210 g of ammonia consumes __________…

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Q: 1. Consider the following unbalanced chemical equation: Al+ CALC, What mass of aluminum is required…

A: The answer to the following question is-

Q: A substance, AzB, has the composition by mass of 60% A and 40%B. What is the composition of AB2 by…

A: Find solution below

Q: The compound lead arsenate has the following % composition (by mass): 59.69% Pb, 0.2904% H, 21.58%…

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Q: A 3.06 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: An organic compound was found to contain 54.5% C, 9.2% H, and 36.3% O.  a. What is the empirical…

A: Percentage of carbon = 54.5 %          Percentage of H =   9.2 % Percentage of oxygen = 36.3 % Mole…

Q: A combustion analysis is a technique to find the the empirical formula of compounds. In a combustion…

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Q: Elemental analysis of a sample containing only B and H shows that it contains 479.4 g of boron…

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Q: 3. A 5.000 g sample of an organic compound containing C, H, and O atoms was combusted and produced…

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Q: A 2.52-g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur is…

A: The compound contains carbon (C), hydrogen (H), nitrogen (N), oxygen (O) and sulphur (S). In three…

Q: 1. (a) 5.00g of caffeine is found to contain 2.47g of carbon, 0.26g of hydrogen, 1.44g of nitrogen…

A: Given: The mass of carbon=2.47 g. The mass of hydrogen=0.26 g. The mass of nitrogen=1.44 g. The mass…

Q: 2.- A sample of the compound responsible for the pungent odor of rancid butter containing only H, C,…

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Q: Find the empirical formula for a compound that is 34.59% NA, 23.31% P, and 42.10% O by mass?  2:…

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Q: After heating, the anhydrous salt can be left on the bench several minutes before weighing * True…

A: As per our guidelines we can only solve first three sub-parts. Please resubmit the other questions…

Q: [References] Hydrogen cyanide, HCN, is prepared from ammonia, air, and natural gas ( CH4) by the…

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Q: Enter your answer in the provided box. For many years the extraction of gold-that is, the separation…

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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".