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

  State h2o is amphoteric meaning it can act

H2O is amphoteric meaning it can act as both a Bronsted acid and a Bronsted base.Show that H2O really is amphoteric by writing the relevant equations

  Explain what are its electron-pair and molecular geometries

Draw the Lewis structure for C1F 2 + (small s at bottom and small + at top) What are its electron-pair and molecular geometries? decribe the bonding in the molecule in terms of hybrid orbitals.

  Show work on the mineral greenockite is yellow sulfide

show work on the mineral greenockite is yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur. determine the empirical formula of greenockite.

  Calculate the mole fraction of each gas

A tank at is filled with of sulfur hexafluoride gas and of carbon monoxide gas. You can assume both gases behave as ideal gases under these conditions.

  How much heat flows into the water

600 mL of water is heated from 20c to 85 c to make a cup of tea. How much heat flows into the water? NOTE: density and specific heat capacity of water 1.00g/mL and 4.18J/(g.c) respectively.

  Explain the cooling water enters the condenser

The cooling water enters the condenser at 70°F and its temperature cannot increase more than 25°F as it passes through the condenser.

  Compute a meteorological balloon of radius n

A meteorological balloon of radius 1.0M at sea level and 20 degrees C. At it's maximum altitude the radius of the balloon is 3.0M and the temperature is -20 degrees C

  What is the concentration of nitrogen gas at equilibrium

For the reaction: N2(g) + 2 O2(g) ? 2 NO2(g), Kc = 8.3 × 10-10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas.

  How many moles of ethane (c2h6) would be needed

How many moles of ethane (C2H6) would be needed to react with 62.3 grams of oxygen gas?

  Explain original concentration of solution

To calculate the concentration of protein is it 10/990 or 10/1000? And does the original concentration of solution even matter when calculating the solution concentration?

  Calculate the mass, in grams, of ag2cro4

Calculate the mass, in grams, of Ag2CrO4 that will precipitate when 50ml of 0.20M AgNO3 solution is mixed with 40ml of 0.10M K2CrO4 solution. Assume that Ag2CrO4 is completely insoluble (its Ksp is ~ 0).

  Compute the vapor pressure of a solution

Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose

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