Ask
your own question, for FREE!
Chemistry
9 Online
OpenStudy (anonymous):
What is the molar mass of a gas if 1.30g of the gas has a volume of 245mL at STP?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
start with PV=nRT. Solve for n. n = PV/(RT) stp means 273.15 K and 1 atm. (Must use absolute temperature). R = gas constant. n= (1 atm * .245 )/(273.15 * .08206) = 0.0109303 mols
OpenStudy (anonymous):
molar mass is grams/mole. 1.3g / 0.0109303 mol = 118.9 g/mol
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
17 hours ago
1 Reply
0 Medals
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
16 hours ago
1 Reply
0 Medals
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
1 day ago
19 Replies
2 Medals
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
1 day ago
5 Replies
0 Medals
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
3 days ago
3 Replies
1 Medal
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
1 day ago
7 Replies
2 Medals
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
4 days ago
5 Replies
1 Medal
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
5 days ago
3 Replies
0 Medals