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How many grams of N2F4 can be produced from 361 g F2?

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molar mass of F = 19
so F2 is 38 grams/mol
so we have 361/38 mols of F2
we get half as many mols of N2F4
so 361/76 mols of N2F4
molar mass of N2F4 = 28 + 76 = 104 grams/mol
so
104 * 361 / 76 grams

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