Question: 1 . Using the sweep - through purging method, inert a 1 0 0 - gal vessel containing 1 0 0 % air until the

1. Using the sweep-through purging method, inert a 100-gal vessel containing 100% air until the oxygen concentration is 1%. What volume of nitrogen is required? Assume nitrogen with no oxygen and a temperature of 77\deg F.

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