Answered: The percentage composition of…

The percentage composition of acetaldehyde is 54.5% C, 9.2% H, and 36.3% O, and its molecular mass is 88 S4.5 12,01 0: 36 Ro 00 amu. Obtain the molecular formula of acetaldehyde. C 4.537 9,2

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.113PAE: 3.113 MgCl2 is often found as an impurity in table salt (NaCl). If a 0.05200-g sample of table salt...

See similar textbooks

Related questions

Q: acetic acid (HC2H3O2) is a liquid and is known as glacial acetic acid. Calculate the molarity of a…

A: Given-> Volume of glacial acetic acid = 25.00 ml Density of glacial acetic acid = 1.05 g/ml Final…

Q: A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0% HNO3 by mass. (a)…

A: Given: Mass % of HNO3=70.0 % Density = 1.41 g/mL To calculate: (a) Mass of HNO3 per liter (b)…

Q: Aspirin (acetylsalicylic acid, C9H8O4) is made by reacting salicylic acid (C7H6O3) with acetic…

A: Given data contains, Mass of salicylic acid is 3.077 g. Volume of acetic anhydride is 5.50 mL. Mass…

Q: 8. Pure copper can be produced by the reaction of copper(II) sulfide with oxygen gas as follows:…

A: Given, Chemical reaction : CuS(s) + O2(g) -------> Cu(s) + SO2(g) 0.640 g of Cu metal…

Q: Aspirin (acetylsalicylic acid, C9H8O4) is made by reacting salicylic acid (C7H6O3) with acetic…

A: a) The limiting reactant is found out as follows, Calculate the moles of aspirin from C7H6O3, 3.077…

Q: 101. Copper(II) sulfide, CuS, is used in the development of aniline black dye in textile printing.…

A: The given chemical reaction can be written as,

Q: Goslarite, a hydrated zinc sulfate mineral (ZnSO4.7H₂O), is added to 1.7 L of water to form a zinc…

A: A 2.1 M solution of zinc sulfate is prepared by adding goslarite (ZnSO4. 7H2O) in 1.7 L of water.…

Q: Aspirin can be prepared from salicylic acid (C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

Q: Silver sulfadiazine burn-treating cream creates a barrier against bacterial invasion and releases…

A: Limiting reactant is the reactant that limits the reaction and is present in lesser amount as…

Q: Mass of KHP 2 04552 4.0 .4652 g nble ME287 EX) 20°c 10mL B Initial Burette Reading 2 3 4 4.0 .39…

A: KHP is a monoprotic acid with molecular formula C8H5KO4. Hence it reacts with base NaOH as per the…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3), which has a molar mass of 138.12 g/mol, and…

Q: Urea (CH,N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with…

A: %Yield = (Obtained amount/calculated amount)x 100 Number of moles = Mass/molar mass Given that:'…

Q: Caffeine, a stimulant in coffee and tea, a molar mass of 194.19 g/mol and a mass percentage…

A: Given,

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A: The given reaction is, 4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g) Clearly, from…

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A: Given: Mass of MnO2 = 41.3g Mass of HCl = 44.3g Molar Mass of MnO2 = 86.84 g/mol Molar Mass of HCl =…

Q: Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the…

A: (a)

Q: Iodine is prepared both in the laboratory and commercially by adding CI2 (g) to an aqueous solution…

Q: A sample of 6.15 g6.15 g of solid calcium hydroxide is added to 30.0 mL30.0 mL of 0.490 M0.490 M…

A: Limiting reagent for a reaction is defined as the reactant that is in lesser quantity than the other…

Q: Please answer questions 3a and 3b. Questions are provided in the attached image. Thank you.

A: Gravimetric analysis is a quantitative method through we can accurately determine the amount of…

Q: The density of concentrated nitric acid is 1.42 g/mL, and its concentration is 71.0 % HNO3 by mass.…

A: In the given question we have to calculate the volume of stock Solution i.e concentrated HNO3 to…

Q: Sulphur hexafluoride is produced by reacting elemental sulphur with fluorine gas. S8(s) + 24 F2(g) →…

A: Given that : S8(g) + 24F2(g) ...> 8 SF6 Mass of S8 = 10.5g Mass of F2 = 32.0g We know molar…

Q: Calcium chloride (CaCl2) has a formula mass of 110.98 g/mol. a) What is the molarity of CaCl2 in…

A: Note: Since you have asked multiple subparts question, we will solve the first three subparts. And…

Q: If a sample of coke is 95% carbon by mass, determine the mass of coke needed to react completely…

Q: Calculate the mass percentage of NaCl in a solution containing1.50 g of NaCl in 50.0 g of water.(a)…

A: Mass of solute (NaCl) = 1.50g Mass of solvent (water) = 50.0g Therefore, the mass of the solution is…

Q: is

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

Q: The percentage composition by mass of benzene is 92.2% carbon and 7.8 % hydrogen. What is the…

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

Q: A sample of a compound of Cl and O reacts with an excess of H2 to give 0.233 g HCl and 0.403 g of…

Q: One of the reactions in the industrial production of nitric acid involves the production of nitric…

A: The reaction in the industrial production of nitric acid involves the reaction of production of…

Q: 6. While investigating mole ratios, a group of students collected data for the following chemical…

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

Q: I. Ferrous sulfate, FeSO. is a compound found in medicines that are used to treat iron deficiency in…

A: Given, Ferrous sulfate hexahydrate FeSO4.6H2O

Q: Iodine is prepared both in the laboratory and commercially by adding Cl2(g)Cl2(g) to an aqueous…

A: Given;

Q: Aspirin can be prepared from salicylic acid (C,H,O3 ), which has a molar mass of 138.12 g/mol, and…

A: Given: Mass of salicylic acid=3.01 g Moles of salicylic acid= 3.01138.12 g/mol=0.0218 mol The…

Q: 3. In aqueous solution, metal oxides can react WIth Fe2O3(s) + 6HCI(aq) → 2FeCl3(aq) + 3H20(I)…

Q: if you mix 15.3 mL of 0.320 M solution of K2CrO4 with 55.7 mL of a 0.320 M solution of AgNO3, what…

Q: 05 A sample of limestone (containing calcium carbonate, CaCO3) weighing 438 mg is treated with…

Q: Aspirin can be prepared from salicylic acid (C7H603), which has a molar mass of 138.12 g/mol, and…

A: First of all we calculate the mass of Acetic anhydride using Following relationship - Density =…

Q: The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many…

A: The balance chemical reaction : 4NH3(g) + 5O2(g) ----> 4 NO(g) + 6H2O(g) Mass of each reactant…

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A: Given percentage yield is 80.7

Q: A side reaction in the manufacture of rayon from wood pulp is 3CS2 + 6NAOH → 2N22CS3 + Na2CO3 + 3H2O…

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

Q: Solution A is 0.2400 M Ca(NO)2(aq). Solution A is diluted by a factor of 3 to form Solution B.…

A: The reaction taking place is 3As2O3 + 4NO3- + 7H2O + 4H+ → 6H3AsO4 + 4NO Balancing explanation :…

Q: Several years ago a tank car load (70,000 litres) of concentrated nitric acid spilled in a Denver,…

A: Given data,Volume of solution=70,000L=70,000×103mLDensity of solution=1.42g/mLConcentration of…

Q: odine is prepared both in the laboratory and commercially by adding Cl2(g)Cl2(g) to an aqueous…

A: Given, Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous…

Q: Question is attached

A: A limiting reagent of the reaction is the compound which will completely consumed in the reaction.…

Q: 33. What is the theoretical yield of aspirin if 185 kg of salicylic acid is allowed to react with…

A: Given mass of salicylic acid = 185 kg Mass of acetic anhydride = 125 kg Given yield = 182 kg

Q: ilver is often extracted from ores such as K[Ag(CN)_2] and then recovered by the reaction…

A: The number of particles present in one mole of a substance is equal to the Avogadro's number which…

Q: 2. A 1.1324 g sample of an iron ore is dissolved in acid. The iron is oxidized to a +3 state and is…

Question

The percentage composition of acetaldehyde is 54.5% C, 9.2% H, and 36.3% O, and its molecular mass is 88
S4.5
12,01
0: 36
Ro 00
amu. Obtain the molecular formula of acetaldehyde. C
4.537
9,2

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

3.113 MgCl2 is often found as an impurity in table salt (NaCl). If a 0.05200-g sample of table salt is found to contain 61.10% Cl by mass, describe how you could determine the percentage of MgCl2 in the sample.
3.100 Some aluminum—lithium alloys display the property of superplasticity, meaning they can undergo tensile deformation by large amounts (1000 times or more) without breaking. If such an alloy has 4 wt% Li, what is its composition in mol%? Explain the relative magnitudes of the mole percentage and weight percentage based on the molar masses of aluminum and lithium.
When potassium chlorate is subjected to high temperatures, it decomposes into potassium chloride and oxygen. (a) Write a balanced equation for the decomposition. (b) In this decomposition, the actual yield is 83.2%. If 198.5 g of oxygen are produced, how much potassium chlorate decomposed?
Many cereals are made with high moisture content so that the cereal can be formed into various shapes before it is dried. A cereal product containing 58% H2O by mass is produced at the rate of 1000. kg/h. What mass of water must be evaporated per hour if the final product contains only 20.% water?
A titanium ore contains rutile (TiO2) plus some iron oxide and silica. When it is heated with carbon in the presence of chlorine, titanium tetrachloride, TiCl4, is formed. TiO2(s)+C(s)+2Cl2(g)TiCl4(g)+CO2(g) Titanium tetrachloride, a liquid, can be distilled from the mixture. If 35.4 g of titanium tetrachloride is recovered from 18.1 g of crude ore, what is the mass percentage of TiO2 in the ore (assuming all TiO2 reacts)?
When solid silicon tetrachloride reacts with water, solid silicon dioxide and hydrogen chloride gas are formed. (a) Write a balanced equation for the reaction. (b) In an experiment, 45.00 g of silicon tetrachloride are treated with 45.00 mL of water (d=1.00g/mL). What is the theoretical yield of HCI (in grams)? (c) When the reaction is complete, 17.8 L of HCl gas (d=1.49g/L at the conditions of the experiment) are obtained. What is the percent yield? (d) How much of the reactant in excess is unused?
On Easter Sunday, April 3, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate: 2HNO3(aq)+Na2CO3(aq)2NaNO3(aq)+H2O(l)+CO2(g) a. Calculate H for this reaction. Approximately 2.0 104 gal nitric acid was spilled. Assume that the acid was an aqueous solution containing 70.0% HNO3 by mass with a density of 1.42 glcm3. What mass of sodium carbonate was required for complete neutralization of the spill, and what quantity of heat was evolved? (Hf for NaNO3(aq) = 467 kJ/mol) b. According to The Denver Post for April 4, 1983, authorities feared that dangerous air pollution might occur during the neutralization. Considering the magnitude of H, what was their major concern?
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. D 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 chemist prepared a compound that she thought had the formula FeI3. When the compound was analyzed, it contained 18.0% Fe and 82.0% I. Calculate the mass percentage composition expected for FeI3 and compare the result with that found in the analysis. Is this the correct formula of the compound?
Many cereals are made with high moisture content so that the cereal can be formed into various shapes before it is dried. A cereal product containing 58% H2O by mass is produced at the rate of 1000. kg/h. What mass of water must be evaporated per hour if the final product contains only 20.% water?
A student wants to prepare 1.00 L of a 1.00-M solution of NaOH (molar mass = 40.00 g/mol). If solid NaOH is available, how would the student prepare this solution? If 2.00 M NaOH is available, how would the student prepare the solution? To help ensure three significant figures in the NaOH molarity, to how many significant figures should the volumes and mass be determined?
Bornite (Cu3FeS3) is a copper ore used in the production of copper. When heated, the following reaction occurs: 2Cu3FeS3(s)+7O2(g)6Cu(s)+2FeO(s)+6SO2 If 2.50 metric tons of bornite is reacted with excess O2 and the process has an 86.3% yield of copper, what mass of copper is produced?