18 The task of chemistry number 18

Product description

STP 0.5 liters of gas has a weight of 0.3805 grams and the mass of 0.25 liters of oxygen under the same conditions - 0.3572 was calculated relative molecular mass of the gas based on: a) in its density with respect to oxygen; b) of the molar volume.

Additional information

After payment You get a ready-made solution. The decision is made in the format WORD (a racshirenie nomer_zadachi.doc). Archived in archiver rar archive. The solution passed repeatedly in the leading universities of the country, all the mistakes and shortcomings corrected.

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