menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Gallium has two natural occuring isotopes: Ga-69 with 68.9256 amu and a natural abundance of 60.11%, and Ga-71 with mass 70.9247 amu and a natural abundance of 39.8%. Calculate the atomic mass of gallium.
asked
Jan 23, 2022
176k
views
2
votes
Gallium has two natural occuring isotopes: Ga-69 with 68.9256 amu and a natural abundance of 60.11%, and Ga-71 with mass 70.9247 amu and a natural abundance of 39.8%. Calculate the atomic mass of gallium.
Chemistry
high-school
Nightgaunt
asked
by
Nightgaunt
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
To calculate the atomic mass, add each amu multiplied by its relative abundance and divide it all by 100
Ar (Ga) = (68.9256x60.11) + (70.9247x39.8)
/100
= 4,143.12 + 2,822.80 /100
= 69.66
HellishHeat
answered
Jan 28, 2022
by
HellishHeat
8.2k
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
Jun 17, 2022
158k
views
calculate the atomic mass of gallium if gallium has two naturally occurring isotopes with the following massess and natural abundances Ga-69 68.9256 amu 60.11% Ga-71 70.9247 amu 39.89
Passiondroid
asked
Jun 17, 2022
by
Passiondroid
8.3k
points
Chemistry
high-school
1
answer
2
votes
158k
views
asked
May 13, 2020
89.6k
views
Gallium has two naturally occurring isotopes, 696a (isotopic mass 68.9256 amu, abundance 60.11%) and 716a (isotopic mass 70.9247 amu, abundance 39.89%). Calculate the atomic mass of gallium
John Barrat
asked
May 13, 2020
by
John Barrat
8.6k
points
Chemistry
college
1
answer
4
votes
89.6k
views
asked
Oct 25, 2019
207k
views
Gallium has two naturally occurring isotopes: 69ga with a mass of 68.9256 amu and a natural abundance of 60.11% and 71ga. use the atomic mass of gallium from the periodic table to find the mass of gallium-71.
Pigeonburger
asked
Oct 25, 2019
by
Pigeonburger
8.0k
points
Chemistry
high-school
2
answers
5
votes
207k
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
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