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Re: A/C leak testing
Posted to HVAC Forum on 6/22/2001 2 Replies

[...trimmed text...]

Hi Ronald,

Here are the facts:

The molecular weight of R134a is 102.03.

The molecular weight of R12 is 120.9.

The molecular weight of air or the mixture of gasses we call air is calculated at ... Login to read more.

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