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Molecular formula of a compound.

A compound of P and F was analyzed as follows: Heating 0.2324 g of the compound in a 378 cm cubed container turned all of it to gas, which had a pressure of 97.3 mmHg at 77 degrees C. next the gas was mixed with calcium chloride solution, which turned all of the F to 0.2631 g of CaF2. Conclude the molecular formula of the compound.

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