Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter2: Chemical Formulas, Equations, And Reaction Yields
Section: Chapter Questions
Problem 9P: Fulgurites are the products of the melting that occurs when lightning strikes the earth. Microscopic...
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How would i do question number 4? This is a practice non-graded worksheet.
![3.
1090 911302)2
са
4.
How many oxygen atoms are there in 1090 g of calcium acetate? (Ans: 1.66 x 1025 atoms)
Ca C ₂ H ₂0₂
nug fio
Abestive? mwisuga bolni
dr Brigol silmosd of bas
What mass of iron could be obtained from 40.0 grams of iron (III) oxide? (Ans: 28.0 g)
Fe
0
stamina
ور
fe-> 55.85
0-716
71.85
5. The analysis of a substance showed that it contained 30.46% nitrogen and 69.54% oxygen by mass. The
molar mass of the actual substance was found to be 92.02 g/mol. Determine both the empirical and
molecular formula of the substance. (Ans to Molecular: N₂O4)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6dac1fe8-9484-432e-9121-04aedd30c8dd%2F3431566b-866c-4612-ade1-5cf00b2a4b17%2Ftw2q2ik_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3.
1090 911302)2
са
4.
How many oxygen atoms are there in 1090 g of calcium acetate? (Ans: 1.66 x 1025 atoms)
Ca C ₂ H ₂0₂
nug fio
Abestive? mwisuga bolni
dr Brigol silmosd of bas
What mass of iron could be obtained from 40.0 grams of iron (III) oxide? (Ans: 28.0 g)
Fe
0
stamina
ور
fe-> 55.85
0-716
71.85
5. The analysis of a substance showed that it contained 30.46% nitrogen and 69.54% oxygen by mass. The
molar mass of the actual substance was found to be 92.02 g/mol. Determine both the empirical and
molecular formula of the substance. (Ans to Molecular: N₂O4)
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