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Exam 4

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

1 mole =

Back (Answer)

(Avogadro’s number) 6.022 x 10²³

#2
Front (Question)

Empirical formula

Back (Answer)

The simplest ratio of atoms in a chemical formula

#3
Front (Question)

Electrolyte

Back (Answer)

Ions dissolved in water

#4
Front (Question)

Non-electrolyte

Back (Answer)

Molecules in water

#5
Front (Question)

Strong electrolytes

Back (Answer)

Solute is completely ionized (only ions)

#6
Front (Question)

Weak electrolytes

Back (Answer)

Only some of the solute ionizes (some ions and some molecules)

#7
Front (Question)

Molarity (M)

Back (Answer)

Concentration mol/L (moles/liters)

#8
Front (Question)

Dilution formula

Back (Answer)

M₁V₁ = M₂V₂

#9
Front (Question)

Precipitation reaction

Back (Answer)

Two (aq) reactants produce a solid + (aq)

#10
Front (Question)

Combustion reaction

Back (Answer)

Byproducts = CO₂ + H₂O

#11
Front (Question)

Acid-base (neutralization) reaction

Back (Answer)

Byproducts = a salt + H₂O(g) also has a lot of H in equation

#12
Front (Question)

Oxidation-reduction (redox) reaction

Back (Answer)

Change in oxidation state

#13
Front (Question)

Decomposition reaction

Back (Answer)

1 reactant goes to multiple products

#14
Front (Question)

Spectator ion

Back (Answer)

An ion that does not take part in the chemical reaction. Found in the solution before and after the reaction.

#15
Front (Question)

Oxidation state

Back (Answer)

Pretty much the same as charge

#16
Front (Question)

OILRIG

Back (Answer)

Oxidation is loss Reduction is gain (of electrons)

#17
Front (Question)

A substance in its elemental state (O₂,H₂,F₂) has an oxidation number of

Back (Answer)

0 (always)

#18
Front (Question)

O oxidation state

Back (Answer)

Almost always -2

#19
Front (Question)

F oxidation state

Back (Answer)

Always -1

#20
Front (Question)

H oxidation state

Back (Answer)

most of the time +1, sometimes -1

#21
Front (Question)

Solute

Back (Answer)

The substance dissolved in the solvent

#22
Front (Question)

Solvent

Back (Answer)

Major component of the solution (water)

#23
Front (Question)

Solution

Back (Answer)

Homogeneous mixture of two or more substances

#24
Front (Question)

Solubility

Back (Answer)

How much of a substance dissolves in the solvent