C4.6 - Expressing Concentrations (Finished) Flashcards
1
Q
A more concentrated solution has ___ in the same ___ of solution than a ___
A
More solute, volume, less concentrated one
2
Q
What is concentration?
A
The mass of solute per unit volume of a solution
3
Q
How many cm3 in a dm3?
A
1000
4
Q
How do you calculate concentration (g/dm3)
A
Mass of solute (g) / volume of solution (dm3)
5
Q
How can you increase the concentration of an aqueous solution?
A
- Adding more solute and dissolving it in the same volume of it’s solution
- Evaporating off some water from the solution (same mass of solute, less water)
