When a salt, acid, or base is dissolved in water it splits apart

or _________ .

DISSOCIATES

Resists changes in pH.

buffer

What is the pH of lakes normally

7ish

What is the pH of emily lemons

3ish

An acid with TWO hydrogen ions on each molecule is said to be

____________

diprotic

HCl is a ______ acid.

Binary or Monoprotic or strong

When HCl splits up to make H+ and Cl- we say it is ….

dissociating

ALL acids have ___ in them.

H+ ions

1% dissociation is a_________ acid or base.

WEAK

100% dissociation is a ________ acid or base.

STRONG

Vinegar dissociates very little in water solutions. It is a _______

acid.

WEAK

[ ] brackets like this mean…

Concentration in M (moles/liter) molarity

0.001M HCl = pH of _____

3

0.01M HCl = pH of _____

2

0.00001M HCl = pH of _____

5

0.1M HCl = pH of _____

1

0.1M NaOH = pH of _____

13

0.01M NaOH = pH of _____

12

0.001M NaOH = pH of _____

11

The HCO3 -1 ion can act either as an _____ or a ______.Acid base

H30+

Hydronium ion

Used to cure heart burn.

Antacid (or unclebase)

Name two chemicals used in common antacids.

Calcium carbonateAluminum hydroxide

Magnesium hydroxide

Scale from 0-14 used to measure acidity or basicity.

pH scale

When acid and base react together we call it a _________

reaction.

neutralization

If an ACID dissociates 100% in solution it is a _____ acid.

STRONG

If a base does not fully dissociate (say only 3%) it is a _____ base.

WEAK

Vinegar’s scientific name.

Acetic acidHC2H3O2

A little bit of HCl in LOTSA water is a ____________ solution.

dilute

12M HCl is a __________ solution. (lotsa acid in not much

water)

concentrated

Acid base vocab

This is a ___________

Experiment.

TITRATION

A solution with a known concentration is a __________

solution.

STANDARD

Phenolphthalein is an ______indicator

Colorful acid/base indicator ____ _______ ______

Red cabbage juice

What is important about the endpoint?

Moles of Acid = __________moles of base

In titration calculations it is important to use _____ with acids

like H2SO4.

NORMALITY

The NORMALITY of a 1.2M H2SO4 solution is ______2.4

Procedure used to find the concentration of an unknown.

titration

Tall slender piece of glassware with a valve, used to deliver precise quantities of

acid or base in a titration..

buret

The point in a titration when the indicator changes color.

endpoint

Name the buffer of the human bloodstream.

HCO3- (bicarbonate)

What is the pH of human blood.

7.25-7.35

How does your body get rid of lactic acid at the end of strenuous

exercise?

You exhale CO2

AND water.