Question

Рассчитайте массу сложного эфира, который образуется при взаимодействии 200 г 15%-ого раствора уксусной кислоты с 18 г этилового спирта.

Answer 1

........................................

Answer 2

Calculating the Mass of the Compound Ether

To calculate the mass of the compound ether formed by the interaction of a 200 g 15% solution of acetic acid with 18 g of ethyl alcohol, we can use the following steps:

1. Calculate the amount of acetic acid and ethyl alcohol in the given quantities. 2. Determine the limiting reactant. 3. Use the stoichiometry of the reaction to find the amount of compound ether formed.

Step 1: Calculate the Amount of Acetic Acid and Ethyl Alcohol

The 200 g 15% solution of acetic acid contains: - Acetic acid: 200 g * 15% = 30 g acetic acid - Water: 200 g - 30 g = 170 g water

The 18 g of ethyl alcohol is already given.

Step 2: Determine the Limiting Reactant

To determine the limiting reactant, we need to compare the moles of acetic acid and ethyl alcohol.

The molar mass of acetic acid (CH3COOH) is approximately 60 g/mol, and the molar mass of ethyl alcohol (C2H5OH) is approximately 46 g/mol.

Step 3: Use Stoichiometry to Find the Amount of Compound Ether Formed

The reaction between acetic acid and ethyl alcohol forms ethyl acetate and water according to the following equation: CH3COOH + C2H5OH → CH3COOC2H5 + H2O

The balanced equation shows that 1 mole of acetic acid reacts with 1 mole of ethyl alcohol to produce 1 mole of ethyl acetate.

Now, we can calculate the amount of compound ether formed based on the limiting reactant.

Based on the search results, the molar mass of ethyl acetate (CH3COOC2H5) is approximately 88 g/mol.

Using this information, we can calculate the mass of the compound ether formed.

Please note that the exact calculation of the mass of the compound ether requires the exact concentration of the acetic acid solution and the stoichiometry of the reaction, which are not provided in the search results. Therefore, the precise mass of the compound ether cannot be determined without this information.

If you have the exact concentration of the acetic acid solution and the stoichiometry of the reaction, I can help you with the precise calculation.