menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
I need help! how many moles are in 3.4*10^-7 grams of silicon dioxide, SiO2. I got 2.0^17 but I think it's wrong :(
asked
Jul 2, 2017
80.9k
views
5
votes
I need help! how many moles are in 3.4*10^-7 grams of silicon dioxide, SiO2. I got 2.0^17 but I think it's wrong :(
Chemistry
high-school
Rpd
asked
by
Rpd
8.1k
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
Molar mass SiO2 = 28 + 32 = 60
so moles sand = 3.4 x 10-7 / 60
Pavan Katepalli
answered
Jul 6, 2017
by
Pavan Katepalli
7.6k
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 17, 2024
66.8k
views
Silicon dioxide, SiO2, is classified as: (A) A network solid with covalent bonding (B) A molecular solid with zero dipole moment (C) A molecular solid with hydrogen bonding (D) An ionic solid (E) A metallic
Eversor
asked
Aug 17, 2024
by
Eversor
8.6k
points
Chemistry
high-school
1
answer
1
vote
66.8k
views
asked
Dec 9, 2024
55.9k
views
What is the percent composition of silicon dioxide, SiO2? (atomic masses: O = 16.0; Si = 28.1)
Lovable
asked
Dec 9, 2024
by
Lovable
7.6k
points
Physics
high-school
1
answer
2
votes
55.9k
views
asked
Apr 24, 2024
97.4k
views
Quartz, SiO2, contains 46.7% silicon. What mass of silicon is present in 329 g of quartz?
Meatvest
asked
Apr 24, 2024
by
Meatvest
8.5k
points
Chemistry
college
1
answer
3
votes
97.4k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
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
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org