Corrections on Previous Class Test

Question 1

What is the relationship between acid and base based on the H+ and H- ?

Answer 1

{H+}> {OH-} this for acid anything below 7

Base : {OH-}> {H]+

Question 2

What is the electron configuration of Fe?

Answer 2

1s2 2s2 2p6 3s2 3p6 4s2 3d6

FE 26

4s2 becomes before 3d

Question 3

What does it mean to reach an equivalence point ?

Answer 3

That the amount the number of moles of H+ ions and OH- ions in the mixture have become equal

Question 4

If I add 25 ml of water to 125 ml of 0.15 M NaoH solution what will the molarity be ?

Answer 4

0.125 M

Question 5

What describes the pH the best ?

Answer 5

its the measure of the amount of hydronium H+ ions in a solution

Question 6

Which electron configuration does this represent ?

Answer 6

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1

Gallium

Question 7

Which below has the same volume as 0.325 mL? Which below has the same volume as 0.426 mL?

Which has the same volume as 0.786 mL ?

Answer 7

325uL
426 uL
786 uL