menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A hydrate of CoCl2 has a mass of 15.80 g before heating. After heating, the mass of the anhydrous compound is found to be 9.32 g. Explain how you would determine the formula of …
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A hydrate of CoCl2 has a mass of 15.80 g before heating. After heating, the mass of the anhydrous compound is found to be 9.32 g. Explain how you would determine the formula of …
asked
Apr 23, 2017
202k
views
2
votes
A hydrate of CoCl2 has a mass of 15.80 g before heating. After heating, the mass of the anhydrous compound is found to be 9.32 g.
Explain how you would determine the formula of the hydrate and then write out the full name of the hydrate.
Chemistry
high-school
Pohchen
asked
by
Pohchen
8.7k
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
3
votes
Let's suppose the formula is
CoC
l2.n
H2
O
CoC
l2
.n
H2
O−>
CoCl2 + nH2O
H2O has the mss= 15.8-9.32 = 6.48g
H2O contains moles= 6.48/(1.0x2+16.0) = 0.36
Moles in CoCl2 = 9.32/(58.9+35.5x2) = 0.071747
n = 0.36/0.071747
= 5
Blachniet
answered
Apr 28, 2017
by
Blachniet
8.0k
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
Sep 15, 2018
172k
views
A hydrate of CoCl2 has a mass of 17.40 g before heating. After heating, the mass of the anhydrous compound is found to be 10.27 g. Explain how you would determine the formula of the hydrate and then write
Gisol
asked
Sep 15, 2018
by
Gisol
8.0k
points
Chemistry
high-school
1
answer
1
vote
172k
views
asked
May 11, 2021
152k
views
A hydrate of CoCl2 has a mass of 15.80 g before heating. After heating the mass of the anhydrous compound is found to be 9.32 g explain how you would determine the formula of the hydrate and then write
Parsania Hardik
asked
May 11, 2021
by
Parsania Hardik
7.3k
points
Chemistry
high-school
1
answer
5
votes
152k
views
asked
Aug 20, 2018
145k
views
During a lab, you heat 1.62 g of a CoCl2 hydrate over a Bunsen burner. After heating, the final mass of the dehydrated compound is 0.88 g. Determine the formula of the hydrate and also give the full name
Lewen
asked
Aug 20, 2018
by
Lewen
7.6k
points
Chemistry
high-school
1
answer
5
votes
145k
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
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
Compare and contrast an electric generator and a battery??
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
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org