menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
If 82.5 g of potassium sulfide react, how many moles of K2S react
asked
Dec 6, 2018
117k
views
3
votes
If 82.5 g of potassium sulfide react, how many moles of K2S react
Physics
high-school
Adam Cataldo
asked
by
Adam Cataldo
8.3k
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
4
votes
One mole of
K2S
= 110.27g, so 3.3 moles
K2
S
=363.89 g
First find the molar mass of
K2
S
:
K2
x 39.10 = 78.20
S1
x 32.07= 32.0778.20 + 32.07 = 110.27g3.3 moles
K2
S
x 110.27g/mol = 363.89g
Giacomo Torricelli
answered
Dec 11, 2018
by
Giacomo Torricelli
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
Nov 1, 2017
30.6k
views
14) the formula k2s indicates that a) the potassium ion is twice the size of the sulfide ion b) sulfur and potassium form a covalent bond c) there are two potassium ions for each ion of sulfur d) there
John Buchanan
asked
Nov 1, 2017
by
John Buchanan
7.9k
points
Physics
high-school
1
answer
2
votes
30.6k
views
asked
Sep 22, 2017
149k
views
14) the formula k2s indicates that a) the potassium ion is twice the size of the sulfide ion b) sulfur and potassium form a covalent bond c) there are two potassium ions for each ion of sulfur d) there
Marc Polizzi
asked
Sep 22, 2017
by
Marc Polizzi
8.0k
points
Physics
high-school
2
answers
5
votes
149k
views
asked
Sep 3, 2017
178k
views
What is the name of the binary compound that has the formula k2s? a. dipotassium monosulfide b. potassium (ii) sulfate c. potassium sulfide d. potassium sulfite?
Potomok
asked
Sep 3, 2017
by
Potomok
7.7k
points
Chemistry
high-school
1
answer
1
vote
178k
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
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
How many light sources do you know Pls list them
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity