Answered: 7. A compound contains 32.45 % C, 2.72…

7. A compound contains 32.45 % C, 2.72 % H, and 64.83 % O. (a) What is its empirical formula? (Report in the format C₂H,Xz). (b) If its molar mass is 148.1 g/mol, what is its molecular formula?

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions

Section4.4: Chemical Equations And Chemical Analysis

Problem 4.5CYU

See similar textbooks

Related questions

Q: Calculate the number of molecules present in 33.4 grams of CaSO4.

Q: Convert the following compound from a condensed formula to a bond-line formula.…

Q: Balance the following equation by adding the appropriate Coefficients. Do not include Physical…

Q: A nurse collected 670 mL of urine from a patient over a 10 hour period. The lab analysis showed it…

A: Given: The volume of urine collected = 670 mL The concentration of protein = 40 mg/dL We have to…

Q: Draw enantiomers for the following compound using perspective formulas. CH3 CICH₂CH₂CHCH₂ CH3 Draw…

A: Enantiomers have different configurations. If the position of one atom is kept constant and…

Q: What is the density of vapor in flask

A: The density of vapor in flask is calculated using the relation between ideal gas law and density-…

Q: What is the relationship between the following two compounds?

Q: ch of the following pairs of structures repr ia and a. 00 öy 0: and C.

A: Resonance is a way of describing bonding in certain molecules by the combination of many…

Q: Chlorine is widely used to purify municipal water supplies and to treat swimming pool water. Suppose…

A: 8.80 L of Cl2 gas has a pressure of 890 torr at 23 °C .We have to calculate - A. Grams of Cl2 are…

Q: What is the oxidation number of Carbon in magnesium bicarbonate, Mg(HCO3)2? +4 0 +5 +1 -2

A: Since, In any neutral molecule, Sum of all the oxidation number is equal to zero. When molecule is…

Q: Complete and balance the following redox equation. What is the coefficient of H₂S when the equation…

A: INTRODUCTION: we can solve this by using ion electrode method. In the ion-electron method (also…

Q: A solution is prepared by combining 20.0 g NaOH and 80.0 g H2O at 25°C. Find (a) % by mass (b) mole…

Q: The thermal decomposition of phosphine PH3 into phosphorus and molecular hydrogen is a first-order…

Q: For which of the following pairings is the substance with the higher melting point listed first NH3…

A: the melting point of a compound is the temperature at which it is converted from the solid to the…

Q: sample of 0.215 M Co(NO3)2 contains 1.12 x 1022 nitrate ions. The volume of the sample is _______…

Q: Add curved arrows to the following reactions to indicate the flow of electrons for all of the bond-…

A: We have given two reactions and we are asked to draw curved arrows for indicating the flow of…

Q: 8) Which of the following structures is consistent with the IR spectra shown below? % Transmittance…

A: Ir spectroscopy is used to identfy functional group of chemical compound

Q: Question 7 of 26 Temperature does not depend on size or type of object Select the correct response:…

Q: Appendix 1: Mechanism of the Mandelate/Permanganate Reaction The first two steps of a possible…

Q: Calculate the volume in milliliters of a 1.68 mol/L sodium thiosulfate solution that contains 275.…

A: According to the question we have, The molar concentration (Molarity) of the thiosulphate solution…

Q: Which quantity represents the smallest mass? A. 1.5 x 10-2 mg B. 1500 g C. 1.5 x 103 µg D. 1.5 x…

Q: The ground state electron configuration of Zrº is [Kr]4d²5s². Use Slater's rules to estimate Zeff…

Q: For the following reaction, 21.9 grams of iron are allowed to react with 5.22 grams of oxygen gas.…

A: Given -> Weight of iron = 21.9 gm Weight of O2 = 5.22 gm

Q: Question 15 of 26 Fill in the blanks: A. 2 B. 3 H*+ Le _ASH3 + H₂O → _______H3ASO3 + When this…

A: Given- _AsH3+ _H2O -> _H3AsO3+ _H+ + _e

Q: 114 How many protons, neutrons, and electrons does a 47 Au atom have?

A: Since, For the given notation of the element, Number of proton = Atomic number Number of neutron =…

Q: Determine the Expected pH of the following buffer solutions: 0.1L of 2.0 M HCl (using conc. 12 M…

A: Buffer solution is a mixture containing a weak acid and the conjugate base of the weak acid, or a…

Q: tions are available, the first contains 5 wt.% ethanol, and the second contains 25 wt. % w much of…

Q: What is the pH of a 0.03 M solution of benzoic acid with a Ka = 6.6 x 10-5? 2.9 4.2 5.0 9.3 9.8

A: Which of the following is correct

Q: Absorbance taken Question A.: 2. 3, 4. readings Volume SmT 10 ml is mi 20 ml a Plo + absorbance for…

A: UV–visible spectrophotometry refers to absorption spectroscopy in portions of the ultraviolet and…

Q: Which of the following is the most stable chair conformation for the compound shown below? 마 피

Q: Question 15 of 26 Fill in the blanks: A. 2 B. 3 H*+ Le _ASH3 + H₂O → _______H3ASO3 + When this…

A: And is C. The coefficient for H+ is 6. At first number of atoms in the reactant side and in…

Q: 46.0 mL of water was added to 100.0 mL of 0.250 M CaCl₂ solution. Assuming the volumes are additive,…

Q: Consider the following properties: Mass, volume, density, boiling point, freezing point, and…

A: An intensive property is a physical property of a system that does not depend on the system size or…

Q: II. Cite the importance of organic chemistry in various fields like industry, health, and medicine.

A: Organic chemistry is defined as the branch of chemistry which deals with the preparation, properties…

Q: A) identical molecules. B) geometric isomers. C) constitutional isomers. D) conformational isomers.…

A: The given molecules are

Q: A solution of copper (1) hydroxide is 0.10 M. Which of the following statements is correct? The pH…

A: Given - Concentration of copper(I) hydroxide = 0.10 M

Q: What is the heat needed to heat 150 g of water from 10.0°C to 100°C, (specific heat of water = 4186…

A: Introduction: Heat depends on mass, specific heat, and temperature change. Heat, Q = ms(T2-T1),…

Q: how did they got those answers

A: Hydrohalogenation is another class of electrophilic addition reactions. It proceeds with the…

Q: OU OV

A: In this question, we have to choose the correct option regarding the given statement.

Q: Determine the cubic structure of platinum if it forms a unit cell with a volume of 0.0595 nm³. The…

Q: How many liters of He gas can be produced at 0 °C and 100 atm (STP) from 180 g of Zn? Zn(s)+2HCl(aq)…

Q: Part C Methane, when liquefied, has a density of 0.466 g mL ¹, the density of methanol is 0.791 g mL…

Q: a) ON b) C) ce Br Br кон ماره

Q: For the questions, assume that you start with 0.421 g of copper turnings: Calculate the minimum…

A: Given: 0.421 g of copper turnings Molarity of HNO3 = 16.0 M Molarity of NaOH = 4.00 M To find :…

Q: You have 505 mL of a 0.125 M HCl solution and you want to dilute it to exactly 0.100 M. How much…

Q: Determination experiment as ml by dissolving Tion (111) per I This an (as 750ml Solution. The to of…

Q: A. Detergent Properties Test Predictions Oil + Soap Oil Syndet B. Effects of Hard Water Test Soap +…

A: Soaps are sodium or potassium salts of long chain fatty acids while detergents (Syndet means…

Q: 1% 80-₁ 70 60 50- 40 30 20 10 -07 4000 3490.50cm-1 O acetophenone 2-methylcyclohexanone 3500 benzoyl…

Q: TOPIC: REACTION AND ANALYSIS OF THE HYDROGEN SULFIDE GROUP Why must the sodium stannite which is…

Q: Decide which element probably has a melting point most and least similar to the melting point of…

A: The melting point is a characteristic physical property of a solid. The temperature at which a solid…

Concept explainers

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".

Question

7.
A compound contains 32.45 % C, 2.72 % H, and 64.83 % O.
(a) What is its empirical formula? (Report in the format C₂H,Xz).
(b) If its molar mass is 148.1 g/mol, what is its molecular formula?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

You take 1.00 g of an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen), burn it in air, and collect 2.20 g CO2 and 0.400 g H2O. You know that the molar mass of aspirin is between 170 and 190 g/mol. Reacting 1 mole of salicylic acid with I mole of acetic anhydride (C4H6O3) gives you 1 mole of aspirin and 1 mole of acetic acid (C2H4O2). Use this information to determine the molecular formula of salicylic acid.
The active ingredient in Pepto-BismoÂ® (an over- the-counter remedy for an upset stomach) is bismuth sub-salicylate, C7H5BiO4. Analysis of a 1.7500-g sample of Pepto-Bismol yields 346 mg of bismuth. What percent by mass is bismuth subsalicylate in the sample? (Assume that there are no other bismuth-containing compounds in Pepto-Bismol.)
Chlorine exists mainly as two isotopes, 37Cl and 33Cl. Which is more abundant? How do you know?
Tungsten (W) metal, which is used to make incandescent bulb filaments, is produced by the reaction WO3+3H23H2O+W How many grams of H2 are needed to produce 1.00 g of W?
4.108 Elemental analysis is sometimes carried out by combustion of the sample. For a hydrocarbon, the only products formed are CO2 and H2O. If a 1.36-g sample of an unknown hydrocarbon is burned and 2.21 g of H2O is produced along with 4.07 g of CO2, what is the empirical formula of the hydrocarbon?
White phosphorus, P4, is prepared by fusing calcium phosphate, Ca3(PO4)2, with carbon, C, and sand, SiO2, in an electric furnace. 2Ca3(PO4)2(s)+6SiO2(s)+10C(s)P4(g)+6CaSiO3(l)+10CO(g) How many grams of calcium phosphate are required to give 30.0 g of phosphorus?
Nitrogen fixation in the root nodules of peas and other legumes occurs with a reaction involving a molybdenum-containing enzyme named nitrogenase. This enzyme contains two Mo atoms per molecule and is 0.0872% Mo by mass. Calculate the molar mass of the enzyme.
Chalky, white crystals in mineral collections are often labeled borax, which has the molecular formula Na2B4O7 10H2O, when actually they are partially dehydrated samples with the molecular formula Na2B4O7 5H2O, which is more stable under the storage conditions. Real crystals of borax are colorless and transparent. (a) Calculate the percent mass that the mineral has lost when it partially dehydrates. (b) Is the percent boron by mass the same in both compounds?
4.69 The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to produce methanol, CH3OH. The box on the left represents the reactants at the instant of mixing, and the box on the right shows what is left once the reaction has gone to completion. Was there a limiting reactant in this reaction? If so, what was it? Write a balanced chemical equation for this reaction. As usual, your equation should use the smallest possible whole number coefficients for all substances.
A sample of sandstone consists of silica, SiO2, and calcite, CaCO3. When the sandstone is heated, calcium carbonate, CaCO3, decomposes into calcium oxide, CaO, and carbon dioxide CaCO3(s)CaO(s)+CO2(g) What is the percentage of silica in the sandstone if 18.7 mg of the rock yields 3.95 mg of carbon dioxide?