Calculate the mass percent composition of aluminum

Assignment Help Chemistry
Reference no: EM13170299

A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.

Reference no: EM13170299

Questions Cloud

Results in the concurrent budget resolution : The Department of Defense moved funds from the Overseas Contingency Transfer Account to the Army's Military Personnel appropriation to cover extra costs associated with deploying troops unexpectedly to Afghanistan.
Social power of women in relation : The social power of women in relation to that of men varies around the world. In general, women are closer to equality with men in high-income nations, and men have more control over women's lives in low-income nations. Where are women and men most e..
What is the unit cell edge length in pm : Chromium crystallizes in a body-centered cubic lattice (the Cr atoms are at the lattice points only). If the density of the metal is 7.19 g/cm3, what is the unit cell edge length in pm?
House and senate to represent different constituencies : The Founders intended the House and Senate to represent different constituencies. The Senate was designed to represent the states, and the House was designed to represent the people. Why?
Calculate the mass percent composition of aluminum : A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
What must be added to the spill to neutralize the acid : If 25 mL of 7.0 M H_2SO_4 was spilled, what is the minimum mass of NaHCO_3 that must be added to the spill to neutralize the acid?
Discuss financing and cost sharing features of each program : What are Medicare Part A and Part B? Discuss the financing and cost sharing features of each program. What benefits are covered under each? Do you think these programs are sustainable?
Spanish diplomat-age of jefferson : A Spanish diplomat, _________________, tried to split the infant United States by offering the northeastern states trade privileges in the Spanish colonies in return for giving up use of the Mississippi for 25 years.
How many photons are in the laser pulse : A laser pulse with wavelength 540nm contains 4.40mJ of energy. How many photons are in the laser pulse?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the pressure of the basketball

A basketball is inflated to a pressure of 1.50 atm in a 20.0°C garage. What is the pressure of the basketball outside where the temperature is -5.00°C?

  Determining the average atomic mass number of an element

Write an equation for determining the average atomic mass number of an element that has two isotopes. Isotope 1 has a relative abundance of 33%, and isotope 2 has a relative abundance of 66%.

  What volume does .103 mol of n2 gas occupy

what volume does .103 mol of N2 gas occupy at a temperature of 27 degrees Celsius and a pressure of 784 mm Hg?

  Determine how many moles of each na+ and cl-

Determine how many moles of each Na+ and Cl- are in 1.00L of the saline solution?

  What would the mass of h2o2 solution be

Assume that the H2O2 solution has a density of 1.0g/cm3. What would the mass of 35cm3 of the H2O2 solution be?

  What is the correct electron configuration for cr

what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).

  What is the partial pressure of argon in the flask

A 1 L flask is filled with 1.45 g of argon at 25  C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?

  What is the ph of a 3.6×10-8 m solution of hno3.

What you need to know about Problems, The Ksp of La(IO3)3 is 1.0×10-11. Using activities, what is the molar solubility of La(IO3)3 in a 0.050 M solution of NaNO3?

  Explain cooled intrusive rocks such as granites

The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites

  How would doubling concentration of nucleophile affect

In the purification process, the organic layer is washed sequentially with 2 M NaOH, water, and saturated aqueous sodium chloride. What is the purpose of each of these washes and why is cold 2 M NaOH recommended?

  What is the pressure of the dry gas alone

a 251 mL sample of oxygen is collected over water at 25 deg C and 760 torr pressure. If the vapor pressure of water as 25 deg C is 23.8 torr, what is the pressure of the dry gas alone?

  Determine the ratio of water to copper sulfate

a mass of 2.50 g of hydrated copper sulfate is placed in a crucible and heated. On hesting, 1.59 g of white anhydrous copper sulfate is left behind. determine the ratio of water to copper sulfate.

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