Register
A sample containing a mixture of iron oxide Fe2O3 and aluminum oxide Al2O3 weighed 0,7125 g. Iron oxide was reduced to metallic iron by hydrogen. The weight of the resulting mixture after reduction was
29.4k views
0 votes
A sample containing a mixture of iron oxide Fe2O3 and aluminum oxide Al2O3 weighed 0,7125 g. Iron oxide was reduced to metallic iron by hydrogen. The weight of the resulting mixture after reduction was 0,6398. Calculate the percentage of aluminum in the sample.

User Mory
by
4.1k points

1 Answer

1 vote

Answer:

34,95%

Step-by-step explanation:

The resulting mixture doesn't contain the oxygen.

A sample containing a mixture of iron oxide Fe2O3 and aluminum oxide Al2O3 weighed-example-1
User CuriousMonkey
by
4.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.5m questions

5.7m answers

Other Questions

What is the variable for this number 22.4L?
Which of the following aqueous solutions are good buffer systems? . 0.29 M perchloric acid + 0.15 M potassium perchlorate 0.16 M potassium acetate + 0.26 M acetic acid 0.18 M hydrofluoric acid + 0.12 M
Suppose a flask is filled with of , of and of . The following reaction becomes possible: The equilibrium constant for this reaction is at the temperature of the flask. Calculate the equilibrium molarity
What mass of 2-naphthol would have to be ingested by each rat in a sample set of rats in order to kill half the population of rats? Assume each rat weighs 230 g. Show your calculations for full credit.
1. If temperature is increased, the number of collisions per second do what
Link Copied!