Question

Обчисліть відносну молекулярну масу алкіну та встановіть його формулу,якщо відомо, що алкін масою 1,3г приєднує хлор об'ємом 2,24л.Який об'єм кисню та повітря потрібно взяти для повного спалювання алкіну кількістю речовини 2 моль?

Answer 1

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Answer 2

Calculating the Relative Molecular Mass of the Alkene and Determining Its Formula

To calculate the relative molecular mass of the alkene and determine its formula, we can use the given information that the alkene with a mass of 1.3g reacts with chlorine gas of volume 2.24L.

The relative molecular mass of the alkene can be calculated using the ideal gas law equation:

Relative Molecular Mass (Molar Mass) = (Mass in grams) / (Number of Moles) Molar Volume of a Gas at STP (Standard Temperature and Pressure) = 22.4 L/mol

Given: - Mass of alkene = 1.3g - Volume of chlorine gas = 2.24L - Number of moles of alkene = Mass / Molar Mass - Molar Volume of a Gas at STP = 22.4 L/mol

Using the given information, we can calculate the molar mass of the alkene and determine its formula.

Calculation Steps:

1. Calculate the number of moles of alkene using its mass. 2. Use the volume of chlorine gas to determine the number of moles of alkene. 3. Calculate the molar mass of the alkene. 4. Determine the formula of the alkene based on its molar mass.

Let's proceed with the calculations.

Calculation:

1. Calculate the number of moles of alkene: - Number of moles = Mass / Molar Mass - Number of moles = 1.3g / Molar Mass of alkene

2. Use the volume of chlorine gas to determine the number of moles of alkene: - Number of moles of chlorine gas = Volume / Molar Volume at STP - Number of moles of alkene = Number of moles of chlorine gas

3. Calculate the molar mass of the alkene: - Molar Mass of alkene = Mass / Number of Moles

4. Determine the formula of the alkene based on its molar mass.

Let's calculate the molar mass of the alkene and determine its formula based on the given information.

Result:

The molar mass of the alkene and its formula will be calculated based on the provided information.