Problem 2-81 only to one. What would be the atomic masses of naturally77ucleus of Ioccurring hydrogen and oxygen on this scale?dine atom2-81. (*) A 40.0-milligrams sample of the compoundX.O., contains 22.5 milligrams of oxygen atoms. Whatis the atomic mass of element X?d oxygen,03 grams2-82.(*) At one time, chemists thought that the for-mula of a binary compound was the simplest formulapossible. For example, the chemical formula of wa-ter was thought to be HO and that of ammonia wasthought to be NH. Given that 0.832 grams of oxygencombines with 0.104 grams of hydrogen, calculatethe atomic mass of oxygen based upon HO as the for-mula for water. Similarly, given that 0.403 grams ofnitrogen combines with 0.0864 grams of hydrogen,calculate the atomic mass of nitrogen based upongen com-hese datanem, 1.87foxygen,ines withillustratemic massly equal NH as the formula for ammonia.

We have a 40 mg of sample of X4O10, which contain 22.5 mg of oxygen atoms, We have to calculate…

Answered: 2-81. (*) A 40.0-milligrams sample of…

2-81. (*) A 40.0-milligrams sample of the compound X.O, contains 22.5 milligrams of oxygen atoms. What is the atomic mass of element X?

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 17P: A gaseous binary compound has a vapor density that is 1.94 times that of oxygen at the same...

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Question

Problem 2-81 only

to one. What would be the atomic masses of naturally
77
ucleus of I
occurring hydrogen and oxygen on this scale?
dine atom
2-81. (*) A 40.0-milligrams sample of the compound
X.O., contains 22.5 milligrams of oxygen atoms. What
is the atomic mass of element X?
d oxygen,
03 grams
2-82.(*) At one time, chemists thought that the for-
mula of a binary compound was the simplest formula
possible. For example, the chemical formula of wa-
ter was thought to be HO and that of ammonia was
thought to be NH. Given that 0.832 grams of oxygen
combines with 0.104 grams of hydrogen, calculate
the atomic mass of oxygen based upon HO as the for-
mula for water. Similarly, given that 0.403 grams of
nitrogen combines with 0.0864 grams of hydrogen,
calculate the atomic mass of nitrogen based upon
gen com-
hese data
nem, 1.87
foxygen,
ines with
illustrate
mic mass
ly equal NH as the formula for ammonia.

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