Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

$Al_2(SO_4)_3.XH_2O$ has 8.1% aluminum by mass.The value of $X$ is


Can you answer this question?

1 Answer

0 votes
$100g$ atom has $Al=8.1g$
$\therefore 342+18x$g compound has 54g
Or Al%=$\large\frac{54\times 100}{342+18x}$$g$=8.1
Hence (d) is the correct option.
answered Oct 25, 2013 by sreemathi.v

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App