C3.1 Flashcards
Charge if silver if not told
+1
Law if conservation of
Why mass often not right
Total mass of reactants= total mass products
Open system, reacts differently , escapes, or reacts with products in surroundings
Ionic equations
If they say ionic , assume its net ionic equation, where spectator ions left out
What is a mole
What is the mass of 1mol of a substance
A mole is just a unit for a substance
There is 1 mole of tables and 1 mole of chairs . Same thing
The amount of entities in a mol is avagadros cinstant= 6.02 x 10x23.
Or the amount of any substance that contains the same particles as 12g if carbon 12
2) it’s relative formula mass
What is a predicate
An insoluble solid formed in reaction of solutions
Find ratios to balance the equation , so ratios of miles
Stop home try
