Question

1. what would you expect the pH value for grapefruit juice to be? (>7, 7, <7)

2. A.) Which two ions are present in very small amounts in any sample of pure water?

b.) what is a good alternative chemical formula for water rather than H2O? Why?

c.) with respect to ion count, why is water considered to be neutral?

3. How do the number of H+ and OH- ions compare after
a.) HI is added to water?
b.)KBr is added to water?
c.)KOH is added to water?

4. Give the Arrhenius definitions for acids, bases, and salts.

Answer 1

1. sour, acid <7

2. H+ and O-2 sort of H3O+ and O-2 is another way to look at it

2 b H O H because that is shape of molecule

2 c same number of 2 H+1 as O-2

3 a H+ up

3 b beats me, why should it change?

3 c OH- up, what else is new?

4 http://facultyfp.salisbury.edu/dfrieck/htdocs/212/rev/acidbase/arrhenius.htm

Answer 2

Thank u so much :)

Answer 3

You are welcome :)