Chemistry Chapter 9 pt 1
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- homogeneous (uniform)
- heterogenous (ie gas - air, liquid - salt water, solid - brass).
present in smaller amount
present in the larger amount
solute + solvent =
- used for transmission of electrical impulses in body (Na+/K+)
- Conducts electricity when dissolved into H2O
doesn't conduct electricity when dissolved into water
NaCl(s) plus water ---> NaCl (aq)
- NaCl dissasociates into respective ion
- NACl(s) plus water --> Na+(aq) + Cl-(aq)
when turn into ions... after yield
compound that produces H+ in water when dissolved
Compound that produces OH- when dissolved
Side note about electrolytes
Strong electrolytes disassociate completely
7 strong acids
- produces ions but molecule predominately exists
- ie weak acids, weak bases, and other molecular compounds
Have DYNAMIC equilibrium <---> arrow
weak bases are...
Insoluble reactants form a precipitate
This is the one that mix matches the cations
The maximum amount of solute you can dissolve in a given amount of solvent at a specific temperature
predict the products..
shows ions if aq and precipitate as a solid
only show ions that form precipitate (other stuff cancels if on both sides) and is based on solubility
Summary for precipitation reactions
1. Balanced molecular equation (assume cations trade anions and write physical states)
2. Write ionic equations by separating strong electrolytes into ions
3. Write net ionic equations by canceling out spectator ions (ions that appear on both sides)
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