The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2%0 At. wt. C= 12 g/mol O= 16 g /mol H= 1 g/mol What is the Empircal formula of the compound? O CGH9O O C18H180 O CGH180 O CgHgO O CGH1802

The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2%0 At. wt. C= 12 g/mol O= 16 g /mol H= 1 g/mol What is the Empircal formula of the compound? O CGH9O O C18H180 O CGH180 O CgHgO O CGH1802

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter4: Molecules, Compounds, And Chemical Reactions

Section: Chapter Questions

Problem 32E: The formula mass of an unknown compound containing only C and H is 70.1 amu. What is its molecular...

See similar textbooks

Related questions

Q: 1. Calculate the percent composition of sucrose ( C12H22011) %O = 176.00 g/mol x 100 = 51.41% 342.34…

A: Known: Atomic mass of O = 16.00 amu Atomic mass of H = 1.01 amu Atomic mass of C = 12.01 amu

Q: Make the following conversion: a.)48.4kg CO2 to mol CO2 b.) 13 atoms Pb to mol Pb c.) 13 mol O2…

A: Given, a.)48.4kg CO2 to mol CO2 b.) 13 atoms Pb to mol Pb c.) 13 mol O2 to atoms of O d.) 27…

Q: the grams of each of the following. a. 4.56 x 1012 atoms Zn 4 95 x 10-1 b. 4.85 mol C2H5NH2 29g cols…

Q: molar mass

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

Q: The analysis of a compound gives the following percent composition by mass: C: 54.34 percent; H:…

A: Given: Percent mass of Carbon = 54.34 % Percent mass of Hydrogen = 9.447 % Percent mass of Sulfur =…

Q: What is the mass percent N in C2H8N2? (a) 23.3% N(b) 16.6% N(c) 215% N(d) 46.6% N

A: Mass percent or percentage by weight is one of the concentration terms that indicates the mass of…

Q: The chemical formula of aspirin is C9H8O4. What is the mass of 0.40 mol of aspirin? A. 72.00 g B.…

A: Number of mole = mass / molar mass

Q: 2. What weight of As2O3 and of CuO are equivalent to 1.000 g Paris green, Cu3(AsO3)2.Cu(C2H3O2)2 (…

A: One molecule of Paris green contains two atoms of As and four atoms of Cu. So, Moles of As2O3 = 14 x…

Q: 70. What is the empirical formula of a compound containing 53% carbon and 47% oxygen by mass (in g)?…

A: Hence open d is correct that is C3O2

Q: . A 67.0 g sample of a compound was found to contain 40.2 g of carbon, 3.00 g of hydrogen and 23.8 g…

Q: Determine the molecular fomula of a compound that has a molar mass of 183 g/mol and an empirical…

A: Divide the molar mass of the compound by the empirical formula molar mass. The result should be a…

Q: Morphine (molar mass = 285.37 g/mol) is a narcotic %3D painkiller. How many moles of morphine are…

A: We know that : moles = weight of substance/molecular weight of substance Or, moles (n) = weight…

Q: 10. Make the following conversions: (a) 28.4 g S to moles S (b) 2.50 kg NaCl to moles NaCl (c) 42.2…

A: (a) Mass of S = 28.4 g Molar mass of S = 32.06 g/mol Moles of S = mass of Smolar mass of S = 28.4…

Q: The mol’s of Al2(SO4)3 that has 26 mol of S also has: 1 mol(Al2(SO4)3) ⇔ 3 mol(S) ⇔ 2 mol(Al) ⇔ 12…

A: Mole concept

Q: which of the samples have the large numbers of molecules H2S04 ? (Atomic mass H = 1, O=16 S= 32) * O…

A: Given data, Atomic mass of H = 1g/mol Atomic mass of O = 16 g/mol Atomic mass of S = 32 g/mol

Q: The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of…

A: We have given that percentage composition of mass of compound Percentage of C = 76.0 % Percentage…

Q: The analysis of a compound gives the following percent composition by mass: C: 57.28 percent; H:…

A: Let the mass of compound = 100 gram Therefore., Molar Mass of Carbon = 57.28 gram Mass of Hydrogen =…

Q: What is the empirical formula for the compound made from Y3+ and Cl? Select one: a. YCI3 b. Y3CI c.…

A: Empirical formula is simple whole numbered ratio of atoms present in compound.

Q: The analysis of a compound gives the following percent composition by mass: C: 56.70 percent; H:…

A: The molecular formula C13H23S1O4 is calculated from percentage composition and molar mass of…

Q: Determine the molecular formula to which the following empirical formulas and molar mass pertain.…

A: molecular formula = empirical formula x n This is the relationship between empirical formula and…

Q: What is the mass of 2.2 x 10 ° CO 2 molecules? O a. 1.0 x 10-12 g O b.1.6 x 10-13 g O. 12x 106 g O…

Q: 6. Calculate the mass of 4.50 moles of CazPO4 . O 968 g O 215 g O 0.0209 g O 87.1 g 7. The molecular…

Q: How many moles of gold do you have in a 2 gram gold nugget? MM=197 g/mol 1.02x10^-2 mol…

A: Mole can be defined as the standard unit for measuring large quantities of very small atoms,…

Q: Which would contain 9.03 × 1023 oxygen atoms? Avogadro Constant = 6.02 × 1023. 3.0 mol H2O 0.75…

A: This problem can be solved by knowing that one mole of substance consists of 6.022×1023 particles.

Q: 1. What is the molecular formula if the empirical formula is C2Hs and the molecular molar mass is…

Q: Calculate the number of moles of O in each? a.) 2.3 mol H2O b.) 1.2 mol H2O2 c.) 0.9 mol NaNO3 d.)…

Q: How many grams of NaF are needed to form 485 g SF4? 3 SCI2 (1) + 4 NaF (s) → SF4 (g) + S2C12 (I) + 4…

A: Given that - Balanced Chemical equation is - 3 SCl2 (l) + 4 NaF (s) ---> SF4 ( g) + S2Cl2 (l) +…

Q: Determine the molecular formula for each compound whose percentage composition is shown below.…

Q: 4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and…

A: To calculate the mass of niacin which consists of an equivalent number of moles as 100 mg of…

Q: How many moles of atoms are contained in 12.4 g CH4? Group of answer choices 198 moles 0.773 mole…

A: 1) How many moles of atoms are contained in 12.4 g CH4?

Q: Which contains the greatest mass of oxygen? 0.75 mol of ethanol (2C H5 OH) 1.0 mol of water…

A: Which contains the greatest mass of oxygen?

Q: calculate the number of moles of HCI in 5 ml of conc. HCl whose density 1.19.g/cm3 and it contains…

Q: Lindane is a toxic insecticide that causes dizziness and diarrhea in humans. Find the molecular…

A: Given C = 24.78 % H = 2.08 % Cl = 73.14 % Molar mass of molecular formula = 290…

Q: Using the following eq CH3NH2 (g)+ O2 (g)→ CO2 (g)+ H2O(g)+ N2 (g) 4.0 x 104 mol CH3NH2 contains…

A: All calculations explained in Handwritten solution

Q: The percent composition by mass of a compound is 68.8% C, 4.92% H, and 26.2% O The molar mass of…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: Calculate the number of moles and molecules of 35.00 grams glucose (C6H12O6). How many atoms of C…

Q: What is the percent composition of glucose, CsH1206? A) 25% C, 509% H, 25% 0 B) 50% C, 25% H, 50% 0…

A: The compound given is C6H12O6. Assuming 100 g of the compound.

Q: How many lithium iodide formula units, Lil, have a mass equal to 4.24 g? 1.91 x 1022 formula units…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Which represents a balanced chemical equa O A. CO2 + 2H2O → → 2CH4 + 202 O B. CH4 + O2 → CO2 + H20 O…

A: Chemical equation is the representation of a chemical reaction, in which the reactants and products…

Q: A new dye has been developed for coloring fabrics. The dye has percent composition of 75.91% carbon,…

A: The given percentage of each element in the dye is as follows: C = 75.91% H = 6.38 % N = 17.71 %…

Q: 20 moles of Glucose(C6H1206) weigh equal to O 360 O 1800 O 6.022*103 O 3600

A: First of all, we will calculate the molar mass of glucose and then using the mole concept, we will…

Q: Calculate the Percent Composition by mass of the given compound: KNaC4H4O6∙4H2O Percent mass of K…

A: Percentage mass of any element in a given compound can be calculated as (mass of the element divided…

Q: Given: M(C) = 12.01 g/mol; M(H) = 1.008 g/mol; M(0) = 16.0 g/mol; M(C6H60) = 94.108 g/mol. %3D %3D…

A: Given-> M(C6H6O) = 94.108g/mole M(C) = 12.01 g/mole M(H) = 1.008 g/mole M(O) = 16.0 g/mole

Q: The number of hydrogen atoms in 0.500g of glucose (C6H12O6) is a. 12 b. 1.67x1021 c. 2.78x10-3 d.…

Q: 4. The mass of silicon atoms is * no. of Si atoms 1.63x102 atom [Avogadro's = O 1.04 x 10 g O 4.58 x…

A: Given, Number of Si atoms = 1.63 x 1021 atoms Calculate the mass of Si atoms = ? Options are :…

Q: Most fertilizers consist of nitrogen-containing compounds such as NH3, CO(NH2)2, NH4NO3, and…

A: Formula to calculate % composition:Mass % of element = mass of the element on the given formula /…

Q: 1. How many moles are in each of the given samples? a) 2.50 mL of water (assume density of water is…

A: Note : As per our guidelines we are supposed to answer first 3 parts .please resubmit the other…

Q: What is the percent composition of oxygen in aluminum nitrate? 6.58% 67.60% 12.67%

A: Aluminium Nitrate is Al(NO3)3 Atomic mass of Al = 27 g mol-1 Atomic mass of N = 14 g mol-1 Atomic…

Q: How many atoms of carbon are in 9.0g of C6H1206? 6 1.81 x 1023 O 4.9 x 1023 O 3.01 x 1023

A: In this question, we want to determine the number of carbon atoms in given amount of C6H12O6 You…

Q: 1.The compuond cisplatin Pt(NH3)2Cl2 is an antitumor. a)Calculate the elemental percent composition…

A: In problem a) we will find out the mass percentage of elements present in cisplatin and in b) we…

Concept explainers

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.

Question

Quickly quickly please ??

The percent composition by mass of a compound is 76.0% C, 12.8%
H, and 11.2%0
At. wt. C= 12 g/mol
O= 16 g /mol
H = 1 g/mol
What is the Empircal formula of the compound?
O C9H9O
O C18H180
O CGH180
O GH3O
O CGH18O2

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

Introduction

VIEW

Calculation

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 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

High-density lipoprotein (HDL) cholesterol is the good cholesterol because adequate levels reduce the risk of heart disease and stroke. HDL levels between 40. and 59 mg/dL are typical for a healthy individual. What is this range of HDL cholesterol in units of mol/L? The formula for cholesterol is C27H46O.
A compound associated with the odor of garlic on a persons breath has the chemical formula CyH8S and a formula mass of 88.19 amu. What number does y stand for in the chemical formula of the compound?
A major textile dye manufacturer developed a new yellow dye. The dye has a percent composition of 75.95% C, 17.72% N, and 6.33% H by mass with a molar mass of about 240 g/mol. Determine the molecular formula of the dye.
What mass is represented by 0.0255 mol of each of the following compounds? (a) C3H7OH, 2-propanol, rubbing alcohol (b) C11H16O2, an antioxidant in foods, also known as BHA (butylated hydroxyanisole) (c) C9H8O4, aspirin (d) (CH3) 2CO, acetone, an important industrial solvent
The formula mass of an unknown compound containing only C and H is 70.1 amu. What is its molecular formula?
The analysis of a compound gives the following percent composition by mass: C: 56.70 percent; H: 8.419 percent; S: 11.65 percent; O: 23.24 percent. What is its molecular formula given that its molar mass is 275.4 g? C?H?S?O? C atoms H atoms S atoms O atoms
1.The compuond cisplatin Pt(NH3)2Cl2 is an antitumor. a)Calculate the elemental percent composition by mass of cisplation b)Cispatin is synthesized as follows: K2PtCl4(aq) + 2NH3(aq)= Pt(NH3)2Cl2(s) +2KCl(aq) What mass of cisplatin can be made from 100 g of K2PtCl4 and sufficient NH3?What mass of KCl also is produced?
Flubberium (Symbol Fb) has a atomic mass of 3.8 grams, Vibranium (Symbol Vi) has an atomic mass of 5.2 grams. Which compound has the higher percentage composition of Fb? Compound A Fb8Vi5 or Compound B Fb7Vi6?
The analysis of a compound gives the following percent composition by mass:C: 54.34 percent; H: 9.447 percent; S: 10.36 percent; O: 25.85 percent. What is its molecular formula given that its molar mass is 309.4 g? C?H?S?O C atoms = H atoms = S atoms = O atoms =
how many ions or atoms of each element are in 160.5 g of the following substances? a) H2 _?_ x1025 H atoms (b) Ca(NO3)2 _?_ x1023 Ca2+ ions _?_ x1024 NO3- ions (c) N2O2 _?_ x 1024 N atoms _?_ x 1024 O atoms (d) K2SO4 _?_ x 1024 K+ ions _?_ x 1023 SO42- ions
Researchers obtained the following data from experiments to find the molecular formula of benzocaine, a local anesthetic, which contains only carbon, hydrogen, nitrogen, and oxygen. Complete combustion of a 3.54 gg sample of benzocaine with excess O2O2 formed 8.49 gg CO2CO2 and 2.14 gg H2OH2O. Another sample of mass 2.35 gg was found to contain 0.199 gg of NN. The molar mass of benzocaine was found to be 165 Find the molar formula of benzocaine. Express your answer as a chemical formula.
Calculate the Mass in mg of 2.88 x 10 22 formula units of Bi(NO3)3.5H2O