C4 Flashcards
1
Q
how to calculate formula mass ?
A
The number on the bottom of the atom - add together .
2
Q
relative atomic mass ?
A
mass of a single molecule / 1 12th mass of the carbon -12 atoms
3
Q
what is the law of coservation and mass ?
A
law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
4
Q
how do u work out the concentration ?
A
mass / total volume
5
Q
how do you convert cm into dm3 ?
A
value in cm3 divide by 1000 to get a value in dm3.
6
Q
whats a limiting reactant ?
A
limiting reactant is a reactant in a chemical reaction that determines the amount of product that is formed.
