caitlynnpatton1208
12.02.2020 •
Chemistry
A colligative property of a solution is one that depends 1. on the identity of the solute and the concentration of the solution. 2. only on the concentration of the solution. 3. only on the identity of the solvent. 4. on the identity of the solvent and the concentration of the solution. 5. only on the identity of the solute.
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Ответ:
The correct answer is option 2.
Explanation:
Colligative property is defined as property which depends upon only on the numbers of particles of solute dissolved in definite amount of solvent, It do not depend on the nature of the solute.
For example : NaCl solution with 0.4 molal will show same colligative properties as a that of the glucose solution with 0.04 molal concentration.
The following are the examples of colligative property:
1. Relative lowering of vapor pressure.
2. Osmotic pressure
3. Elevation in boiling points
4. Depression in freezing point
Ответ:
The equation of the chemical reaction between potassium (K) and oxygen (O2) is: 4K + O2 --> 2K2O
From the equation it is seen that 4 moles of potassium react with with one mole of oxygen gas (O2) to give 2 moles of potassium oxide.
The molar mass of...
Explanation: