Chem 13
What is the pH of a 0.001 MHCl solution
1x10^-3 M pH=3
What is the [OH-] of a neutral solution
1x10^-7 M
The products of the reaction of Ba(OH)2 &H2CO3 are
Ba(OH)2 + H2CO3 —->HOH+ BaCO3
H2O + NH4<——> H3O+ + NH3 In this reaction, water is acting as a
Base
Do you know about a solution with a pH of 10
Basic, pOH=4 ,[H+]=1x10^-10 M , [OH-]=1x10^-4 M
salt hydrolysis
Cations and anions of a salt produce an acidic or basic solution
What makes a "strong" acid strong
Completely ionizes in water
Formula of a hydrogen ion
H+
tripotic acid
H3PO4
alkaline solution
[OH-] > [H+]
What is the pH of a solution with a [OH-]=1x10^-6 M
8
Standard solution
A solution of known concentration
Neutralization reaction
An acid or base form a salt and water
Amphoteric
An act as an acid or a base
Which of the following is an Arrhenius base a. HCl b. K2PO4 c. NaOH
C
Which of these acids is diprotic a. CH3COOH b. HCl c. H2SO4 d. H3PO4
C
Which of the following pairs contains a weak acid and a strong base a. NH4OH & H2CO3 b. HCl & KOH c. KCl &H2O d. H2CO3 & LiOH
D
Given a concentration ([OH-] or[H+]) find the other concentration and is an acid, base or neutral
Ex:[H+]=1x10^-11 M [OH-]=1x10^-3 M pH=11 Basic
What are the products of the self ionization of water
H+ and OH- or H2O+ and OH-
When a solution is tested with blue litmus paper it stays blue. What do you know about the solution
Not an acid
Hydroxide ion
OH-
Salt
One of the products of a neutralization reaction
End point
Point of which neutralization occurs
The hydrolysis of water by the salt of the weak base and a strong acid should produce what type of solution
Slightly acidic
A 0.0001 M hat completely ionizes in water is considered to be both
Strong and dilute
Titration
Using a solution of known concentration to find the concentration of another solution
acidic solution
[H+] > [OH-]
Neutral solution
[H+] and [OH-] = 1x10^-7M
If the hydroxide ion concentration is 1x10^-10 M, the solution is
[H+]=10^-4 H=4 pOH=10 Acidic
Hydronium ion
[H30+]
Which solution is more acidic a. [H+]=1x10^-6 M b. [OH-]=1x10^-11 M c. [H+]=1x10^-10 M d. [OH-]=1x10^-3 M Find pH then pick lowest
a. 6 b. 3 c. 10 d. 11 B
Kw
ion product constant of water
conjugate acid base pair
two substances that are related by the loss or gain of a hydrogen ion H+