Calculate the value of H3O+ and [OH] in each of the following solutions.

Note: Reference the Fundamental constants table for additional information.

Part 1 of 2

Be sure each of your answer entries has the correct number of significant figures.

0.00001 MHC1

Species

[H3O+

[OH

Concentration

M

10

X

M

Part 2 of 2

Be sure each of your answer entries has the correct number of significant figures.

0.82 M NaOH

Species

[H30+]

[OH]

Concentration

M

10

X

M

1 answer

For 0.00001 M HCl:

[H3O+] = 0.00001 M
[OH-] = (1.0 x 10^-14) / 0.00001
= 1.0 x 10^-10 M

For 0.82 M NaOH:

[H3O+] = (1.0 x 10^-14) / 0.82
= 1.22 x 10^-14 M
[OH-] = 0.82 M