menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
A sample of hydrogen gas was collected over water at 21°C and 685 mmHg. The volume of the container was 7.80 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 18.6 mmHg at 21°C.) A.
asked
Aug 17, 2024
137k
views
4
votes
A sample of hydrogen gas was collected over water at 21°C and 685 mmHg. The volume of the container was 7.80 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 18.6 mmHg at 21°C.)
A. 7.14 g
B. 0.589 g
C. 0.283 g
D. 435 g
E. 0.572 g
Chemistry
college
Anton Hughes
asked
by
Anton Hughes
7.6k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
0
votes
Answer:
.572 is the correct answer
Phillip Mills
answered
Aug 21, 2024
by
Phillip Mills
7.8k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Aug 24, 2021
58.7k
views
The vapor pressure of ethanol is 1.00 × 102 mmHg at 34.90°C. What is its vapor pressure at 60.21°C? (ΔHvap for ethanol is 39.3 kJ/mol.)
MegaManX
asked
Aug 24, 2021
by
MegaManX
9.1k
points
Chemistry
high-school
1
answer
3
votes
58.7k
views
asked
May 25, 2024
137k
views
A flask contains 183 ml of argon at 21°c and 738 mmhg. what is the volume of gas at stp?
Cedric Beust
asked
May 25, 2024
by
Cedric Beust
7.4k
points
Chemistry
high-school
1
answer
1
vote
137k
views
asked
Jan 27, 2024
42.9k
views
If 2.19 moles of chlorine gas is trapped over water at 754 mmHg and 21°C, calculate the volume of the gas collected.
John Muchow
asked
Jan 27, 2024
by
John Muchow
8.3k
points
Chemistry
high-school
1
answer
0
votes
42.9k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
What is the evidence of a chemical reaction when the fireworks go off
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org