help here !!!!
use of the Data Booklet is relevant to this question.
In some countries, anhydrous calcium chloride is used as a drying agent to reduce dampness in
houses. The anhydrous salt absorbs enough water to form the dihydrate CaCl 2.2H2O .
What is the percentage increase in mass?
Stoichiometry chemistry Watch
- Thread Starter
Last edited by alyoan tariq; 29-05-2016 at 00:52. Reason: forgot to post complete question
- 29-05-2016 00:51
- 29-05-2016 14:38
I got c.
CaCl2 has a RMM of 111.1
this increases to CaCl2.2H2O which has a RMM of 147.14 ( an increase of 36.04)
36.04/111.1 = 32.44%