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three volatile compounds x, y, and z each contain element q. the percent by weight of element q in each compound was determined. some of the data obtained are given below. compound percent by weight of element q molecular weight x 64.8% ? y 73.0% 104. z 59.3% 64.0 (a) the vapor density of compound x at 27 degrees celsius and 750. mm hg was determined to be 3.53 grams per liter. calculate the molecular weight of compound x.

Respuesta :

The molecular weight of the compound with compound x's vapour density at 27 degrees Celsius and 750 mm hg was found to be 88.1 g/mol, or 3.53 grammes per litre.

Although there is a distinction between the two, molecular weight and molecular mass are frequently used synonymously in chemistry. Molecular weight is a measure of the force exerted on the molecular mass, whereas molecular mass is a measure of mass.

The vapour density is measured in respect to that of hydrogen. It can be expressed as the product of the mass of a substance in a volume and the mass of hydrogen in the same volume. Is called  vapour density.

The molecular weight of compound x at 27 degrees is given by the formula M = dRT/P M= (3.53g/l)(24.396)(300.15k)/750 mm of Hg

M = 88.1 g/mol.

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