Register
I need Helpppp pleaseee
24.9k views
2 votes
I need Helpppp pleaseee

I need Helpppp pleaseee-example-1
User Sergii Pechenizkyi
by
6.6k points

1 Answer

6 votes

Answer:

9) 126.86 amu

Step-by-step explanation:

Please see the attached picture for full solution.

*I can't see the fractional abundance for Q8. Thus, I am unable to help you with that.

To find the avg atomic mass, multiply the fractional abundance to each of the masses and add them all up.

I need Helpppp pleaseee-example-1
User Ksugiarto
by
6.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.6m questions

10.2m answers

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.
Why is gold preferred as a superior metal over silver and bronze?
What is the evidence of a chemical reaction when the fireworks go off
Link Copied!