Purchase Solution

Percentage AL and NH4AL(SO4)2 a Sample Before Filtering

Not what you're looking for?

Ask Custom Question

The aluminum in a 1.200-g sample of impure ammonium aluminum sulfate was precipitated with aqueous ammonia as Al2O3*H20. The precipitate was filtered and ignited at 1000 degrees C to give anhydrous Al2O3, which had a mass of 0.1798g.

a) What is the percentage of Al in the original sample?
b) What is the percentage of NH4Al(SO4)2 in the original sample?

Purchase this Solution

Solution Summary

The solution lays out all calculations necessary to find the percentage of aluminum and ammonium aluminum sulfate in a sample before being filtered and ignited when given the conditions of the reaction and the products.

Solution Preview

2NH4Al(SO4)2 = 2NH3 +Al2O3.H2O + 4SO2 + 2O2

Atomic mass of
Al = 27
S = 32
H = 1
O = 16
N = 14
Molecular mass of
NH4Al(SO4)2 = 14 +4 +27 ...

Solution provided by:
  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
Recent Feedback
  • " In question 2, you incorrectly add in the $3.00 dividend that was just paid to determine the value of the stock price using the dividend discount model. In question 4 response, it should have also been recognized that dividend discount models are not useful if any of the parameters used in the model are inaccurate. "
  • "feedback: fail to recognize the operating cash flow will not begin until the end of year 3."
  • "Answer was correct"
  • "Great thanks"
  • "Perfect solution..thank you"
Purchase this Solution

Free BrainMass Quizzes
General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.


The quiz helps in revising basic concepts about thermochemistry.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.