
(a)
Interpretation:
MTBE (methyl tertiary-butyl ether) is synthesized by the catalyzed reaction of 2-methylpropene with methanol. The balanced equation for the synthesis of MTBE has to be written.
Concept Introduction:
(a)

Explanation of Solution
MTBE is synthesized from 2-methylpropene and methanol. The reaction can be given as follows,
The reaction mechanism is as follows
(b)
Interpretation:
If the government required auto fuel mixtures contain
Concept Introduction:
Mass percentage:
It is the concentration of an element or component in the total compound. It can be calculated as
Mass:
(b)

Explanation of Solution
Given,
The mass percentage of oxygen in MTBE has to be calculated.
The weight of oxygen is
Mass of MTBE can be calculated using the equation
The weight of the oxygen is given as
The mass of MTBE for
(c)
Interpretation:
The number of litres of MTBE would be in each litre of fuel mixture has to be calculated (density of both gasoline and MTBE is
Concept Introduction:
The volume of the compound can be calculated by using the density of that compound. Density can be calculated by using the equation
(c)

Explanation of Solution
The given density of gasoline and MTBE is
Mass of MTBE for
The volume of MTBE can be calculated as
The volume of MTBE in
(d)
Interpretation:
The number of litres of air (
Concept Introduction:
The ideal gas equation can be used to calculate the volume using pressure and temperature. The ideal gas equation is
Where,
(d)

Explanation of Solution
The balanced equation of MTBE on combustion with
The number of moles of oxygen required can be calculated as
Given,
The volume can be calculated as
The volume air required is
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Chapter 15 Solutions
Loose Leaf for Chemistry: The Molecular Nature of Matter and Change
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