1. A compound containing 5.9265% H and 94.0735% O has a molar mass of 34g/mol. What is the molecular formula of this compound? 2. Find the molecular formula of a compound that has a molar mass of 30.0 g and an empirical formula of CH3.

Q: What is the mass in grams of 0.76 mol of potassium chloride? Group of answer choices a, 60 b, 99.4…

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

Q: A compound contains 36.68 %C, 2.309 %H, and 61.01 %Br (by mass). Determine the empirical formula of…

A: Element C H Br Mass % 36.68 2.309 61.01 moles 36.6812 2.3091 61.0180 simple ratio of moles 4 3…

Q: A model of the butanal molecule is shown in the window below. ball & stick + labels ited a. How many…

A: From the model, Butanal=> CH3>CH2CH2CHOMolecular formula of butanal is C4H8O. Mole is the SI…

Q: A compound consisting of B, N, and H undergoes elemental analysis. The % composition by mass is…

A: Given,Percent of B in the compound = 40.28 %Percent of N in the compound = 52.20 %Percent of H in…

Q: As of 2018, ~95% of hydrogen is produced from fossil fuels. One of the most important reactions of…

A: Consider the given reaction is as follows; CH4 g   +   H2Og    →    COg   +    3 H2 g Given…

Q: 17.1.28 g compound containing C, H and N is burned in pure oxygen producing 3.63 g CO₂, 0.867 g H₂O…

A:

Q: 15. A compound contains 1.90% H, 67.6% CI, 30.5%O? What is its empirical formula? O A. HCIO B. HCIO2…

A: “Since you have asked multiple question, we will solve the first question for you as per our…

Q: Note: If you're traveling in space (or in a submarine), the air has to be purified to remove the…

A: Since you have posted multiple questions according to guidelines I am solving first three.If you…

Q: from 9 0₂ lost (#2) → mol O₂ lost from mol O₂ lost (#3)→ mol KC103 from mol KC10₂ (#4) →g KC103² 3.…

A: From the mass of O2 gas lost we can figure out moles of O2.

Q: What is the mass percent of bromine in lithium bromide?? 1.47.6% 2.52.4% 3.92.01% 4.7.99%…

A: Answer: option 3) 92.01 % is the mass percent of bromine in lithium bromide.

Q: CH4(g) + 2 O2ie) CO2(g) + 2 H2O(g) What mass of water is produced by the complete reaction of 10. g…

A: Given the balanced reaction, CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) mass of methane = 10. g

Q: 4.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Molar mass of compound = 160 g/molAmount of compound X is burned = 4 gMass of CO2 produced = 6.60…

Q: What is the empirical formula of a compound with 54.53% carbon, 9.15% hydrogen, and 36.32% oxygen…

A:

Q: a. Two compounds have the same composition: 92.25% C and 7.75% H. Obtain the empirical formula…

A: Empirical formula is the simplest formula of a compound where atoms of participating elements are…

Q: A compound containing only hydrogen and carbon is burned in excess O2(g) to produce a total mass of…

A: Given: Compound contains only C and H. Mass of 0.3 moles of compound = 34.243 g. The total mass of…

Q: 5. Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when…

A: Molecular formula is C14 H18 N2 O5  We need to find it's molar mass.  Amount of molecules in 10.0 g…

Q: Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from…

A: The objective of this question is to determine the amount of sulfuric acid (H2SO4) that can be…

Q: 4.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: Chalk is composed of calcium carbonate, CaCO3. What is the percent by mass of calcium in calcium…

A: The objective of this question is to calculate the percent by mass of calcium in calcium carbonate…

Q: nsider the following reaction:                 3 Hg(OH)2  +  2 H3PO4    Hg3(PO4)2  +  6 H2O…

A: Moe concept is being used to solve such problems. The mole concept was proposed by Avogadro. It…

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A:

Q: Calculate the percent composition by mass of each element in Al(OH)3. Use at least three significant…

A: 1 mol of Al(OH)3 contains 1mol of Al, 3 mol of O and 3 mol of H atoms.  Molar mass of Al(OH)3 =…

Q: Calcium carbonate (CaCO3) is a common ingredient in antacids. It works by neutralizing the…

A:

Q: H₂C HU H C CH- CH 0 The compound's molecular formula (eg c13h1201, write 1 if 1 is the subscript) is…

A: The molecular formula of a compound shows the atomic symbols of all the constituting atoms present…

Q: Consider the following reaction: 2H 2 + O 2 --> 2H 2O How many moles of water can be formed from 1…

A: Applying concept of limiting reagent.

Q: What is its molecular formula?

A:

Q: 2. Calculate number of molecules in 2.33 g CH6. molar masses: C = 12.01 g/ mole and H = 1.008 g/…

A: Given: Mass of C6H6 = 2.33 g.

Q: Table 1. The relationship between mass, mole and number of particles Formula of Molar mass Mass (g)…

A:

Q: Part D. A 28.50 g sample of a compound of carbon, sulfur, hydrogen, and combusted (burned). 35.25 g…

A:

Q: 5.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: Histamine is the chemical messenger that antihistamine cold and allergy medicines try to block.…

A: Given: Histamine contains only C, H and N. Mass of Histamine combusted = 0.765 g. Mass of CO2 formed…

Q: 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given,Mass of compound X = 6.50 gmolar mass of the compound = 192. g/molmass of product carbon…

Q: Complete combustion of 3.40 g3.40 g of a hydrocarbon produced 10.9 g10.9 g of CO2CO2 and 3.89 g3.89…

A: Empirical formula :-  The formula which shows only relative number (simple ratio) of atoms of…

Q: What amount (moles) of compound is present in 3.40 g of each of the following compounds? mol b. Fes…

A: Given: Mass of compound = 3.40 g. The moles of any compound is given by, => Moles = MassMolar…

Q: If you were given 14.8 g of C3H8 and 3.44 g of 02, determine the mass (in grams) of the excess…

A:

Q: Complete combustion of a 1.448 g sample of a hydrocarbon (only carbon and hydrogen present),…

A: Given -> Weight of hydrocarbon = 1.448 gm Weight of CO2 = 3.128 gm Weight of H2O = 1.121 gm

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A: The mineral sample has the elemental composition: Element atomic weight (g/mol) Percent…

Q: How many moles of N2O4 can be formed from 8.50 g NO2?  2NO2  -----> N2O4

A:

Q: Determine the empirical formula for a compound containing 40% carbon, 6.7% hydrogen and 53.3%…

A: Carbon = 40%  Hydrogen = 6.7 %  Oxygen = 53.3%  Let there be 100 g of compound , then,  Carbon = 40…

Q: 3.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: The values are provided in questionMass of compound X = 5.00 g.Molar mass = 152. g/molProduced mass…

Q: Cinnamic alcohol is used mainly in perfumery, particularly in soaps and cosmetics. Its molecular…

A: Given,Molecular formula of Cinnamic alcohol is C9H10O Mass of sample = 0.836 gRequired,…

Q: A Compound contains only Carbon, hydrogen ! Oxygen. Combustion of 7.309 of the compound yields 10-4…

A:

Q: 4a Calculate the empirical formula of a compound given the following percent composition. c=-44.5%;…

A: Given data, C = 44.5% H = 3.70% N = 51.8%

Q: chemist will use a sample of 30 g of ethanol (CH3CH2OH) in an experiment. In one to two sentences,…

A:

Q: 1. Calculate the percent composition of all elements in photographic fixer solution, Na2S2O3 1) % Na…

A: We have been given two uuestions. In one question, we have been asked to calculate the percent…