topic 3 quantitative chemistry Flashcards
1
Q
concentration is ….
A
the amount of a substance (e.g. the mass or the number of moles) in a certain volume of a solution
2
Q
what is a more concentrated solution
A
the more solute (the substance that is dissolved) there is in a given volume
3
Q
what is concentration measured in
A
g/cm3
4
Q
what is mass of a solute measured in
A
g
5
Q
what is volume of a solvent measured in
A
dm3
6
Q
what is the equation for concentration
A
volume of solvent
7
Q
what is a limiting reactant
A
when a reactant is completely used up in a reaction before the rest
8
Q
how can you tell if a reaction is taking place when magnesium carbonate is placed in a beaker with hydrochloric acid
A
because you can see lots of bubbles of gas
