Calculate the percent composition by mass

Assignment Help Chemistry
Reference no: EM13174163

Cinnamic alcohol is used mainly in perfumery, particularly in soaps and cosmetics. Its molecular formula is C9H10O. Calculate the percent composition by mass of C, H, and O in cinnamic alcohol. How many molecules of cinnamic alcohol are contained in a sample of mass 0.469g.

Reference no: EM13174163

Questions Cloud

The bill of rights : In reviewing the Bill of Rights, discuss which amendment has the biggest influence on businesses. Give an example to support your answer.
Alternative dispute resolution methods : Describe the advantages and disadvantages of using the U.S. court system to alternative dispute resolution methods. - Discuss how applicable dispute resolution methods are to a small-business owner and a mid-level manager of a Fortune 500 company
Find a 95% condence interval for the population mean? : Suppose that population standard deviation is 0.56 (instead of 0.45), without doing calculations explain whether a 95% condence interval for the population mean would be wider than, narrower than, or the same widt
Law and business today-legal environment of business today : Discussion1 "Law and Business Today" Please respond to the following: - Looking at the legal environment of business today, discuss where you see the law has fallen short for businesses or consumers.
Calculate the percent composition by mass : Calculate the percent composition by mass of C, H, and O in cinnamic alcohol. How many molecules of cinnamic alcohol are contained in a sample of mass 0.469g.
Calculate the mass in grams for pure silver sample : Calculate the mass in grams for pure silver sample that loses 3.10 when its temperature drops from 138 to 20.
Calculate sem pty ltds taxable income : Indicate with explanations, sections of the Acts and relevant caselaw how the Revenue and Expense items in the company's accounts are treated for tax purposes and calculate SEM Pty Ltd's taxable income for 2011/12.
To what energy level does the electron move : The electron in the n = 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the electron move?
Give the bond order in each case : The valence bond point of view refers to the resonance structures while the MOs refer to the resonance hybrid.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the free energy change

Calculate the free energy change for the following reaction and predict whether the reaction occurs spontaneously at 25 degrees celcius. H2(g)+CO2(g)-->H20(g)+CO(g); ?H=41.8 kJ, ?S=42.1 J/K

  Explain naoh to achieve a phenolphthalein end point

NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.

  What mass of as-76 remains

The nuclide As-76 has a half-life of 26.0 hours. If a sample of As-76 weighs 344 g, what mass of As-76 remains after 538 minutes.

  How many grams of o2 are produced

If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?

  Calculate the total number of moles of cl- ions in solution

0.134 mole of KCl and 0.185 mole of CaCl2 were dissolved in water. calculate the total number of moles of Cl- ions in the solution.

  What is the molar mass of the gas

The gaseous product of a reaction is collected in a 25.0 L contained at 27 degrees Celsius. The pressure in the container is 216 kPa, and the gas has a mass of 96.0g. What is the molar mass of the gas?

  Compute the molar mass of the noble gas krypton

Compute the molar mass of the noble gas krypton(Kr) in a natural sample, which is 2.2% 80 Kr (molar mass 79.91 g/mol),

  What is the mass of the sample of water

The temperature of a sample of water increases by 6.5 degrees Celsius when 8.5 kilo Joules are applied. The specific heat of liquid water is 4.18 Joules per gram x degrees Celcius. What is the mass of the sample of water?

  How many grams of co2 would be generated

you have 19.16 g of CH4 and 22.13 g of O2. How many grams of CO2 would be generated, CH4 + 2 O2 --> CO2 +2 H2O

  Explain what was the ka value calculated by the student

What was the Ka value calculated by the student if the pH of the solution was 2.60? Express your answer numerically using two significant figures

  What is the corresponding wavelength

The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 78.0 m/s, what is its corresponding wavelength?

  How much heat is evolved per gram of fuel burned

2.4 g of a hydrocarbon fuel is burned in a calorimeter that contains 262 grams of water initially at 25.00 C. After the combustion, the temperature is 26.55 C.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd