Calculate the mass percent composition of aluminum

Assignment Help Chemistry
Reference no: EM13136668

A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide. Calculate the mass percent composition of aluminum in aluminum oxide

Reference no: EM13136668

Questions Cloud

Fifo cost flow assumption for finished goods inventory : Direct material usage budget and direct material purchases budget and manufacturing overhead cost budgets for each of the three activities
Is there evidence to suggest that high school is inferior : Students from one large high school had a mean score of 58. Is there evidence to suggest that this high school is inferior?
What is the temperature : A 2.50-L container is filled with 187 g argon.  If the pressure is 10.0 atm, what is the temperature?
Receiving a cash payment for services : A business receives a cash payment for services rendered. Which of the following occurs?
Calculate the mass percent composition of aluminum : A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide. Calculate the mass percent composition of aluminum in aluminum oxide
Ramifications of higher gasoline taxes : One thing governments do well is collect taxes. Taxes are a policy instrument that raise revenue and can control behavior through economic or market pressures. What would some of the costs be to the public resulting from a higher tax on gasoline?
Which company will report highest amount of net income : Three different companies each purchased a mcahine on January 1, 2012 for 54,000. Each machine was expected to last five years or 200,000 hours, salvage walue was esitmated to be 4,000. which company will report highest amount of net income for 2..
Does analyst have statistical evidence to reject claim : Sample standard deviation of 1.1%. Using alpha = 0.05, does the analyst have statistical evidence to reject the claim made by the magazine?
Direct labor when prime cost is given : A company's prime costs total $3,000,000 and its conversion costs total $7,000,000. If direct materials are $1,000,000 and factory overhead is $5,000,000, then direct labor is:

Reviews

Write a Review

Chemistry Questions & Answers

  How many photons are required

How many photons are required to heat 255 mL of coffee from 25 degrees celcius to 62 degrees celcius?

  Suggest a chemical test that would allow you to distinguish

Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?

  Calculate the mass of sodium bicarbonate

Calculate the mass of NaHCO3 that was used up in the reaction for each beaker. The molecular weight of NaHCO3 is 84.007 g/mole.

  Calculate the atomic mass of x

it is found that 1.431g of element x ciontains 7.509 *10^21 atoms. calculate the atomic mass of x

  Give the solution to equilibrium constant

The solution to Equilibrium constant, A certain gas mixture held at 395C has the following initial partial pressures: P(Cl2) = 351.4 torr; P(CO) = 342.0 torr and P(COCl2) = 0.

  What product did he get

Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid.

  How much heat is evolved

How much heat (in {rm kJ}) is evolved in converting 1.00 mol of steam at 140.0 C to ice at -55.C? The heat capacity of steam is 2.01J/g* C and of ice is 2.09 j/g* C.

  Compute oh of each aqueous solution

Calculate OH- of each aqueous solution using the following H3o+ A baking soda 1.0 X 10-8M B orange juice 2.0 X 10-4

  What is the maximum number of electrons

When a metal was exposed to light at a frequency of 4.54× 10^15 s-1, electrons were emitted with a kinetic energy of 3.10 × 10^-19 J.

  Calculate the volume

if a liquid has a density or 1.17 g/cm(3) and a mass of 3750 g calculate the volume?

  Define hydroboration reaction

In an experiment that is performed you use 1-hexene and is reacted with H2SO4 with water as the solvent. The product formed is 2-hexanol, is this an example of 1,4 addition, or proceeds via a carbanion,

  What is the average atomic mass of rubidium

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium.

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