Mass of solute + solvent = mass of solution?

In summary, the equation "mass of solute + solvent = mass of solution" represents the principle of mass conservation, stating that the total mass of the solute and solvent before mixing is equal to the total mass of the solution after mixing. Accurate measurement of the mass of each component is crucial for the success and reliability of experiments involving solutions. While the mass of solute and solvent should always add up to the mass of the solution, slight discrepancies may occur due to experimental error. The mass of solute, solvent, and solution can be determined by using a balance or scale, but it is important to control factors such as temperature and pressure.
  • #1
hamza2095
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1

Homework Statement


10g of CaFl2 is disolved in 100 grams of water, what is mass/mass concentration

Homework Equations


c = mass of solute/mass of solution

The Attempt at a Solution


Would it be 10/100 = 0.1 or 10/110 = 0.091
 
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  • #2
10/110, mass of the solution is a sum of masses of all its components.
 

What is the meaning of "mass of solute + solvent = mass of solution"?

This equation represents the principle of mass conservation, which states that matter cannot be created or destroyed. It means that the total mass of the solute and solvent before mixing is equal to the total mass of the solution after mixing.

Why is it important to measure the mass of solute, solvent, and solution accurately?

Measuring the mass accurately is crucial for the success of any experiment involving solutions. The mass of each component determines the concentration of the solution, which can greatly affect the results of the experiment. Additionally, precise measurements ensure the reliability and reproducibility of the experiment.

Does the mass of solute and solvent always add up to the mass of the solution?

Yes, according to the principle of mass conservation, the total mass of the solute and solvent before mixing is always equal to the total mass of the solution after mixing. However, there may be slight discrepancies due to experimental error.

How do you determine the mass of the solute, solvent, and solution?

The mass of each component can be determined by using a balance or scale. The solute and solvent can be weighed separately before mixing, and the total mass of the solution can be measured after mixing. It is important to tare the balance before each measurement to ensure accurate results.

What factors can affect the mass of a solution?

The mass of a solution can be affected by various factors such as temperature, pressure, and the presence of impurities. In some cases, chemical reactions may also affect the mass of the solution. It is important to control these factors and repeat the experiment multiple times to ensure accurate results.

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