Baking Soda, with a pH of 9 is an example of a common _____
common base
Produces [OH-] in water
Arrehenius Base
What is pH? (the definition)
Measure of the hydrogen ion concentration in a solution, determining acidity or alkalinity
What is the molarity for trial 2? (round to nearest tenths)
(see picture 2)
0.6
Write the ionization equation for HCl
HCl --> [H+] + [Cl-]
Orange juice with a pH of 3 is an example of a common ______
common acid
Produces [H+] in water
Arrehenius Acid
Draw a labelled pH scale that include: the range of the pH scale, where neutral is, increasing acidity, and increasing alkalinity
0 ------ 7 ------ 14<br><br><-- increasing acidity<br><br>---> increasing alkalinity
What is the molarity for trial one? (round to tenths place)
(See picture 1)
0.2
Write the ionization equation for Ca(OH)2
Ca(OH)2 --> [Ca2+] + 2[OH-]
Chemical added to solutions to determine if it is acidic or alkaline based on color
pH indicator
Donates a proton, H+
Bronsted-Lowry Acid
Which pH best describes an acidic substance?
<br>pH of 7 where [H+] and [OH-] are evenly balanced<br>
<br>pH of 0 to less than 7<br>
<br>pH greater than 7 to 14
pH of 0 to less than 7
Calculate the Ma after 20ml of HNO3 is titrated with 20ml of 0.75M Ba(OH)2
1.5 M
What is the [H+] of 0.45M Ca(OH)2
1.11 x 10-14
When an acid and a base react to form a pH of 7 [H+] and [OH-] are equal
neutralization
Accepts/receives a proton, H+
Bronsted-Lowry base
Which pH best describes an neutral substance?
<br>pH of 7 where [H+] and [OH-] are evenly balanced<br>
<br>pH of 0 to less than 7<br>
<br>pH greater than 7 to 14
pH of 7 where [H+] and [OH-] are evenly balanced
Calculate the Mb after 4.5ml of KOH is titrated with 22ml of 0.25M HCl
1.2 M
What is the pH of 0.048M NaOH? (Round answer to two decimal places)
12.68
An acid that has close to 100% dissociation of ions in water
strong acid
Determined by the molarity of a solution.
concentration
Which pH best describes an neutral substance?
<br>pH of 7 where [H+] and [OH-] are evenly balanced<br>
<br>pH of 0 to less than 7<br>
<br>pH greater than 7 to 14
pH greater than 7 to 14
What is the formula/equation for titration problems?
(Ma)(Va)(#H) = (Mb)(Vb)(#OH)
What is the pH of 0.075M H2SO4? (Round answer to two decimal places)
0.82