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wC3H7O4 + xO2 -> yCO2 + zH2O, what is the value of w + x + y + z?

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wC3H7O4 + xO2 -> yCO2 + zH2O, what is the value of w + x + y + z?

(a) 21

(b) 35

(c) 41

(d) 47

The question was asked during an interview.

The origin of the question is Stoichiometry topic in portion The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

1 Answer

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Right answer is (c) 41

For explanation: The balanced chemical reaction is: 4C3H7O4 + 11O2 -> 12CO2 + 14H2O, => w + x + y + z = 41.

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