A SOLUTION CONTAINS 20g OF SOLUTE IN 180g OF SOLVENT. IF THE SOLVENT IS WATER, WHAT IS THE CONCENTRATION OF THE SOLUTION IN TERMS OF MASS BY MASS PERCENTAGE
January 24, 2024
- A. 11.%
- B. 22.2%
- C. 10% ✓
- D. 20%
The answer to the question is: C. 10%
The mass by mass percentage of a solution is calculated by dividing the mass of the solute by the total mass of the solution (solute + solvent) and then multiplying by 100. In this case, the mass of the solute is 20g and the mass of the solvent is 180g.
Therefore, the total mass of the solution is:
20g + 180g = 200g.
To find the mass by mass percentage, we use the formula:
Mass by Mass Percentage = (mass of solute / total mass of solution) * 100
Substituting the given values:
Mass by Mass Percentage = (20g / 200g) * 100
= (1/10) * 100
= 10%
Therefore, the concentration of the solution in terms of mass by mass percentage is 10%
