Answered: Sample Problem 1 Propane (C,Hg), the…

Sample Problem 1 Propane (C,Hg), the fuel commonly used in gas grills, is one of the compounds obtained from petroleum. Calculate the percent composition of propane.

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter10: The Mole

Section: Chapter Questions

Problem 162A

See similar textbooks

Related questions

Q: What is the percentage composition of oxygen in potassium sulfate, K2SO4? Answer: 36.7%

Q: Question 11 D Mass of Zn 2.44 g Mass of Cu 0.063 g The mass of Zn and the mass of Cu in a coin are…

Q: A compound contains 2.06% hydrogen, 32.69% phosphorus and the remaining is oxygen. What is the…

A: H2PO4

Q: A certain compound contains 40.0% carbon, 6.71% hydrogen, and 53.3% oxygen by mass. If a 0.320 mole…

Q: Incorrect Question 2 Heating to constant mass involves heating the salt until the mass after heating…

A: Heating to constant mass involved heating the same for the several minutes, weighting it and…

A: Calculation for number of moles of MgCl2:

Q: 2. How many GRAMS of manganese(II) hydroxide can be made from 2.94 grams of manganese(II) ? grams…

A: The stoichiometric chemical reaction is one in which amount of reagents and products is such that…

Q: AA Answer + 47. Calculate the percent by mass of the element listed first in the formulas for each…

Q: Name Period Date Unit 4 Review Worksheet #2 Empirical and Molecular Formulas Directions: Please…

Q: Use this equation for the next question: 2NaOH + H2SO4 ® Na2SO4 + 2H2O What is the mole ratio of…

A: C option is correct. 2 to 1

Q: Problem Nitrogen dioxide is a component of urban smog that forms from gases in car exhaust. How many…

Q: learn.lcps.org/common-assessment-delivery/start/4846618960?action=Donresume&submissionld=492623761…

Q: Solve: 125 g sample of magnesium nitrite, Mg(NO2)2, contains: O a. 2.31 mol O b. 0.01 mol O c. 1.08…

A: Given: Mass of magnesium nitrite = 125 g Molar mass of Mg(NO2)2 = 1 x Mg + 2 x N + 4 x O…

Q: What is the mass of one mole of ammonium chloride, NH4CI, in grams? Answer:

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

Q: How many moles of carbon atoms are there in 1.50 mole of C2H6?

A: 1 mol C2H6 has 2 moles of Carbon atoms 1 mol = 6.022 × 1023 atoms

Q: SHOW WORK Molly Kule has discovered a compound (A y8) is %63.4 A and %36.6 B. If the molar masses of…

Q: Determine the mass of 1.2 * 1025 molecules of carbon dioxide.

Q: Challenge Exercise 7.90 A 2.500 g sample of an unknown compound containing only C, H, and O was…

A: • Number of mole = mass molar mass• mass = No. of moles × molar massGiven,a mass of unknown…

Q: Question: Calculate the number of moles in: 0.00100 g monochloromethane (CH3Cl).

A: Calculate the molar mass of monochloromethane (CH3Cl), Molar mass of CH3Cl = 12.011 g × 1g1 mol…

Q: How many molecules of O2 are in 4 g of O2? Answer using Canvas's scientific notation, "e". For…

A: Given that: Given mass of oxygen = 4g To find:…

Q: 1. How many MOLECULES of sulfur dioxide are present in 1.31 moles of this compound ? molecules. 2.…

Q: PROBLEM-SOLVING EXAMPLE 3-6 Percent Composition of Hydrated Salt Epsom salt is MgSO4-7 H2O. (a) What…

A: The molecular formula of the salt given is MgSO4.7H2O. Molar mass of salt = sum of molar masses of…

Q: 1. How many ATOMS of nitrogen are present in 8.94 grams of nitrogen monoxide ? atoms of nitrogen. 2.…

Q: What is the percent of X in fictional compound XBr2? Element X has a molar mass of 45.83g/mol. Show…

A: The mass % of the substance is equal to the ratio of mass to the molar mass of the substance…

Q: A newly discovered element named moroccoium has the symbol Mc. Moroccoium has an atomic mass of 30.0…

A: A newly discovered element, Moroccoium has the symbol Mc. Number of moles of the solute is…

Q: Problem 6 empirical formula of the compound and enter it in the line provided: A compound is 82.66%…

A: Given: C = 82.66% H = 17.34% The given compound is hydrocarbon compound since it contains only C and…

Q: CHEMWORK Quinine, C20H24N2O2 is the bitter tasting compound in tonic water. It is also the compound…

A: The molecular formula of quinine is C20H24N2O2. The molar mass of quinine is 324.18 g/mol.

Q: Practice How many molecules are in 14 moles of nitrogen dioxide? Click to add text 立

Q: ▶ Practice Exercise 1A 2.144-g sample of phosgene, a compound used as a chemicalwarfare agent during…

A: % composition of C in phosgene=mass of Cmass of phosgene×100…

Q: 2. How many MOLES of bromine are present in 9.78x1021 molecules of carbon tetrabromide? moles of…

A: Given: The number of molecules of carbon tetrabromide (CBr4) is 9.78×1021.

Q: How many moles of K are there in a sample of K that contains 1.14x1024 atoms? moles Submit Answer…

A: The question is based on mole concept According to Avogadros no. 1 mole of any substance…

Q: How many moles of sulfate ions (SO,²-) are present in 2.0 moles of Al (SO4)3? Express the number of…

A: Al2(SO4)3 on dissociation it gives: Al2(SO4)3 → 2Al+3 + 3SO42- 1 mole of aluminum sulphate gives 3…

Q: TASK 9. PROBLEM SOLVING MOLECULAR FORMULA Molecular formula is the whole number multiple of the…

A: Molecular formula is calculated by multiplying the empirical formula by a number. So it is a whole…

Q: A compound was analyzed and was found to contain the following percentages of the elements by mass:…

Q: 1. How many MOLECULES of phosphorus trichloride are present in 4.58 moles of this compound ?…

Q: How many MOLECULES of boron trifluoride are present in 2.32 moles of this compound? Answer:…

Q: Review I Constants I Periodic Table Percent composition refers to the mass percent of each element…

A: The mass percent of each element is calculated as,

Q: Molar mass= Submit Part C Calculate the molar mass of norepinephrine (C8H11NO3), a hormone that…

A: Given, (i )Mn2O7 (ii) C8H11NO3 we have to calculate the molar mass of above compound.

Q: QUESTION 16 A compound is found to contain 26.56% potassium, 35.41% chromium, and the remainder…

A: Determination of empirical formula The percentage composition of elements present in given compound…

Q: How many ions of Cl-1 would be produced from 7.25x1024 formula units AlCl3?

A: Formula unit mass is defined the sum of all the atomic masses of one formula unit of a compounds.…

Q: ormula "HO"? a. Hydrogen monoxide b. hydroxonium ion c. hydronium ion d. Hydrogen p

A: The molecular formula consists of the atoms that format a molecule. Molecular mass is calculated by…

Q: Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101 Please…

Q: What is the mass percent of MgSO4 in MgSO4• 7H2O ? (answer to 2 decimal place)

Q: 1. How many ATOMS of xenon are present in 1.16 moles of xenon trioxide? atoms of xenon. 2. How many…

A: The formula for Xenon trioxide = XeO3

Q: A person drinks 1.64x10° g of water per day. How many moles is this? n(H,O) = mol %3D Submit Answer…

A: Given: 1.64 x 103 g of water

Q: Question 3 les are in 25.8 moles of CO

A: Molecules of CO2 = ( moles of CO2 ) • ( Avagadro number ) Where : moles of CO2 = 25.8mol Avagadro…

Q: HW: Chem Review 2. Determine the number of molecules present in 3.50 mol of nitrogen dioxide and…

A: Hi there, as there are multiple questions posted. We are answering the first question (question…

Q: Question 6 (2 points) If you have 4 moles of CH4 molecules, how many atoms do you have? 5 20 4 moles…

Q: PROBLEM-SOLVING PRACTICE 3-6 What is the mass percent of each element in hydrated nickel(II)…

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

100%

THE WORK
Percent composition
% mass of element = mass of element
100%
mass of compound
Sample Problem 1
Propane (C,Hg), the fuel commonly used in gas grills,
is one of the compounds obtained from petroleum.
Calculate the percent composition of propane.

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

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 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

One chocolate chip used in making chocolate chip cookies has a mass of 0.324 g. (a) How many chocolate chips are there in one mole of chocolate chips? (b) If a cookie needs IS chocolate chips, how many cookies can one make with a billionth (1109) of a mole of chocolate chips? (A billionth of a mole is scientifically known as a nanomole.)
Given that the molar mass of carbon tetrachloride, CCl4 , is 153 g, calculate the mass in grams of 1 molecule of CCl4 .
When copper(ll) oxide is heated in the presence Of hydrogen gas, elemental copper and water are produced. What mass of copper can be obtained if 32.0 g of copper(ll) oxide is used?
Solid calcium carbide (CaC2)reacts with liquid water to produce acetylene gas (C2H2)and aqueous calcium hydroxide. l type='a'> Write the balanced equation for the reaction that is (occurring. including all phases. If a 100.0-g sample of calcium carbide (CaC2)is initially reacted with 50.0 g of water, which reactant is limiting? Prove that mass is conserved for the reactant amounts used in pan b.
Can the subscripts in a chemical formula be fractions? Explain.
Atoms of three different elements are represented by O, , and . Which compound is left over when three molecules of O. and three molecules of . react to form O. And O?
How are the molecular mass and the molar mass of a compound similar and how are they different?
When elemental carbon is burned in the open atmosphere, with plenty of oxygen gas present, the product is carbon dioxide. :math>C(s)+O2(g)CO2(g) wever, when the amount of oxygen present during the burning of the carbon is restricted, carbon monoxide is more likely to result. :math>2C(s)+O2(g)CO(g) at mass of each product is expected when a 5.00-g sample of pure carbon is burned under each of these conditions?
The percent by mass of silver in Ag,CO3 is %.
Calculate the percent composition by mass of cach element in AIKOH),. Use at least three significant figures. % Al = %0 = % H =
The percent by mass of potassium in KOHis The percent by mass of nitrogen in CH5N is %.
Tetraethylenepentamine is a compound used in the manufacture of synthetic rubber. It has a formula of : NH₂(CH₂CH₂NH)₃CH₂CH₂NH₂ What is the molar mass of this compound in g/mol?