1C.3 Flashcards
1
Q
the logic with reacting masses
A
in balanced equations, we know that each side has a balanced number of atoms/electrons/neutrons/protons. now the same claim can be said about the mass. so each reactant side and the products in a balanced equation should have equal mass since it isn’t created nor destroyed.
2
Q
what is hydrate
A
is a compound containing water of crystallization
3
Q
what is the formula for ammonia
A
N2 +3H2 —> 2NH3
4
Q
what is the formula for al + o
A
4Al + 3O2 ——> 2Al2O3
5
Q
what do we do in hydrated solution when calculating thee Mr?
A
we use the number of moles
