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1. A flexible fuel vehicle operates with a mixture of 35% isooctane and 65% methanol, by volume. If the combustion is to be stoichiometric, what

1. A flexible fuel vehicle operates with a mixture of 35% isooctane and 65% methanol, by volume. If the combustion is to be stoichiometric, what should the mass air--fuel ratio be?

2. If an dragster fuel tank contains a mixture of 70% octane and 30% nitromethane, by volume, what should the mass air--fuel ratio be to run rich at ???? = 1.24?

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