Answer to Question #193771 in General Chemistry for Jaz

Question #193771

CONVERTING MOLE TO MASS


Calculate the number of grams of SO2 that could be produced from 3.25 moles of oxygen (moles 02 →

moles SO2 → g SO2). AW of O = 16 9. S = 32.065 g


4FeS + 702 → 2Fe2O3 + 4SO2 (balanced equation)


1
Expert's answer
2021-05-17T04:11:30-0400

Using mole-mass analysis on balanced chemical reaction we can find amount of SO3 produced.

Solution

4FeS + 702 → 2Fe2O3 + 4SO2(balanced equation)

7mole of O2"\\to" 4mole of SO2

"\\therefore" 3.25mole of O2"\\to" ?

"\\frac{4\u00d73.25}{7}=1.857" mole of O2


Now:

Molar mass of SO2=[32.065+2(16)]g/mol

="64.065g\/mol"


So:

N.o. of grams of SO2=1.857mol×64.065g/mol

Mass of SO2 Formed =118.97g

Therefore :-118.97g of SO2 can be produced.



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