C5 - Quantitive analysis Flashcards
1
Q
What is volume measured in?
A
cm3 or dm3
2
Q
What is concentration measured in?
A
g/dm3 or mol/dm3
3
Q
What happens as concentration increases?
A
The particles become more crowded.
4
Q
How is concentration reduced?
A
Water is added to it to dilute it.
5
Q
How do you convert cm3 into dm3 and dm3 into cm3?
A
cm3 -> dm3 = divide by 1000
dm3 -> cm3 = times by 1000
6
Q
What is the formula for concentration?
A
Concentration = moles/volume
7
Q
What does GDA stand for?
A
Guideline daily allowance.
8
Q
What are sodium ions used for?
A
- water balance
- nerve responses
9
Q
What can too much sodium ions cause?
A
High blood pressure which could lead to a heart attack.
