Interpretation:
The largest percent by mass of sulphur needs to be determined.
Concept used: In stachiometry, a compound which is formed from atoms of elements, can be used to find out percentage by mass composition of that atom from the molecular formula of the compound.
Answer to Problem 55PP
Explanation of Solution
To find the percent by mass of
Atomic mass of Sulphur
Atomic mass of oxygen
Total molecular mass
Percent composition of sulphur
For
Total molecular mass
Percent composition of sulphur
Comparing 1 and 2
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Chemistry: Matter and Change
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