Chemical Forums
1 Hour
1 Day
1 Week
1 Month
Forever
September 27, 2024, 08:30:04 PM
Forum Rules
: Read This Before Posting
Home
Help
Search
Login
Register
Chemical Forums
Chemistry Forums for Students
High School Chemistry Forum
molecular formula
« previous
next »
Print
Pages: [
1
]
Go Down
Topic: molecular formula (Read 3408 times)
0 Members and 3 Guests are viewing this topic.
rm
New Member
Posts: 5
Mole Snacks: +0/-0
molecular formula
«
on:
June 03, 2008, 11:16:02 AM »
a gas has been analyzed and it is shown to be composed of 85.7 % carbon and 14.3 hydrogen by mass. At STP 0.100 L of the compound weighs 0.188g. What is the molecular formula for this compound.
im having some trouble with it
any help would be great
Logged
DrCMS
Chemist
Sr. Member
Posts: 1301
Mole Snacks: +211/-84
Gender:
Re: molecular formula
«
Reply #1 on:
June 03, 2008, 11:26:37 AM »
What is the volume of 1 mole of an ideal gas at STP?
Logged
rm
New Member
Posts: 5
Mole Snacks: +0/-0
Re: molecular formula
«
Reply #2 on:
June 03, 2008, 01:35:05 PM »
it is 22.4L/mol
Logged
sjb
Global Moderator
Sr. Member
Posts: 3653
Mole Snacks: +222/-42
Gender:
Re: molecular formula
«
Reply #3 on:
June 03, 2008, 02:26:22 PM »
So if 0.100 L of gas weighs 0.188g, and 1 mol of gas has volume 22.4 L, what is the molecular weight of the gas?
Logged
Print
Pages: [
1
]
Go Up
« previous
next »
Sponsored Links
Chemical Forums
Chemistry Forums for Students
High School Chemistry Forum
molecular formula