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In year 2297, based on samples collected during missions to a moon of exoplanet Kepler 433b, the elemental composition of the soil of that moon

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In year 2297, based on samples collected during missions to a moon of exoplanet Kepler 433b, the elemental composition of the soil of that moon on a mass basis is: Assume that the average atomic mass of the Other component is 50.0g/mol and calculate the mole fraction of iron in the soil

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