 |
|
|
|
|
SCHOOL SUBJECTS
-
-
-
-
-
-
-
-
-
-
-
-
|
|
|
|
GRADE LEVELS
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
|
|
|
Post a New Question | Current Questions | Chat With Live Tutors
Homework Help Forum: chem
Posted by tomi on Friday, September 26, 2008 at 10:02pm.
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles)of He(g) is present in a helium-oxygen mixture having a density of 0.538g/L at 25celsius and 721mmHg ?
Responses
chemistry - bobpursley, Friday, September 26, 2008 at 8:26pm
change that density to stp.
what do u mean by change density to stp
|
- chem - bobpursley, Friday, September 26, 2008 at 10:40pm
Density of gases changes with temp and pressure. Didn't I set that up for you?
|
Answer this Question
|
|
|
|
