pH scale

Question 1

hydrionium

Answer 1

H3O+ ion

Question 2

distilled water meaning

Answer 2

no ions only H2O molecules

Question 3

how to show pH 7 of [H+] in water

Answer 3

[H+]= 1 x 10^-7 M

Question 4

common acids

Answer 4

• HCl
• gastric juice
• orange juice
• wine
• coffee

Question 5

Neutral things

Answer 5

• milk
  -water
• blood
• seawater

Question 6

common bases

Answer 6

• detergents (cleaners)
• ammonia
• bleach
• NaOH

Question 7

kw

Answer 7

1 x 10^-14

Question 8

how many sig figs is pH

Answer 8

2

Question 9

how to solve for conc. given pH=9.26

Answer 9

pH = -log[H+]
9.26 = -log[H+]
10 ^-9.26 = [H+]
5.5 x 10^-10 = [H+]

Question 10

formulas

Answer 10

pH = -log[H+]
pOH = -log[OH-]
pH + pOH =14
kw = [H+][OH-]