Calculations involving masses Flashcards
1
Q
What is relative formula mass?
A
The relative formula of a mass of a compound is the sum of the relative atomic masses of the atoms in the numbers shown in the formula
2
Q
What is the conservation of mass?
A
No atoms are lost or made during a chemical reaction so the mass of the products equals the mass of the reactants
3
Q
moles=..
A
mole=massxmr
mass=mole/mr
