The mole ratios of three substances—ammonia (NH3), oxygen (O2), and methane (CH4)—can be calculated using their respective quantities: 2.94 x 105 moles of NH3, 1.56 x 105 moles of O2, and 9.61 x 103 moles of CH4. The correct mole ratio is derived by dividing each quantity by the smallest number of moles present, which in this case is 9.61 x 103. This results in a simplified ratio of 30.6:16.2:1 for NH3, O2, and CH4, respectively, rather than the incorrect ratio presented.
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