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1. How many moles of E2 gas are present in 485L sample of a gas mixture that is 3.00% fluorine and 97.00% helium? 485L sample

1. How many moles of E2 gas are present in 485L sample of a gas mixture that is 3.00% fluorine and 97.00% helium? 485L sample of 3.00% 3.00%=22.4litens Calculate the mass (in grams) of 39.2L of NH3 gas at 273K and standard pressure

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