Chem Question?

Question

32. Sea water has a pH of 8.10 What is its hydrogen-ion concentration?

33. The hydronium-ion concentration of a 0.0010 M acetic acid solution is 1.0 x 10^-4 M. What is the Ph of this solution?

34. The concentration of H3O+ in a solution is 2 x 10^-4 M what is its OH- concentration?

35. The pOH of a solution is 5.50. What is its hydroxide-ion concentration?

36. The pOH of a 0.015 ammonia solution is 3.28. what is its hydroxide-ion concentration?

37. The pH of 0.1 M NH3 is approximately???
a. 1
b . 3
c. 7
d. 11
e. 13

38. A solution in whihc the pOH is 5.3 would be described as
a. very acidic
b. slightly acidic
c. neutral
d. very basic
e. slightly basic

39. Which solution has the lowest pH?
a. 0.1 M HCl
b. 0.1 M NaOH
c. 0.1 M NH3
d. 0.1 M CH3COOH
e. 0.1 M Na2CO3

40. A solution which is formed by combining 700. mL of 0.20 M HCl with 300. mL of 0.50 M NaOH has a (H3O+) concentration of ??

Answer 1

Learn the concept of pH.
32. pH of 8.10 means [H+]=10^-8.1 which is also
10^0.9 x 10^-9. You can use logarithms to convert the decimal part and wind up with 8 x 10^-9
34. In 25 degC water, [H+][OH-]=1x10^-14. For these calcs, convert this to 10x10^-15.
You do the same for pOH and [OH-] conc. as for pH and [H+]

Answer 2

a million.0 Potassium is very electropositive ingredient with low ionization potential. This belongings makes the outer valance electrons ejection rather common with electric powered voltage. As you recognize electric powered impulses are as a results of go of electrons 2.0 4 moles of Al reacts with 3 moles O2 giving Aluminum oxide. this means that 8 moles of Al want six moles of O2 3.0 team III era iv, probable the ingredient is Ga and the Oxide is Ga2O3 4.0 1s2 2s2 2p6 3s13Px1

Answer 3

Maybe you should try doing some of your homework yourself. I highly doubt anyone is going to work all of those questions for you for 2 points.