Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.2: Reactions In Which One Reactant Is Present In Limited Supply
Problem 1RC
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Question
if 80g of ethanol (CH5OH) are burnt completely, how many molecules of water would be produced ?
CH5OH(I)+2O2(g)=CO2(g)+3H2O(I)
Expert Solution
Step 1
Given combustion reaction of ethanol is as follows(corrected equation) :
C2H5OH (I) + 3O2 (g) -----> 2CO2 (g) + 3H2O (I)
given amount of ethanol available for combustion = 80 g
Molecular mass of ethanol = 46.07 g/mol
Moles of ethanol in given mass = 80 g/46.07 g/mol
= 1.74 moles
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