marcart8971 marcart8971

02-04-2019
Chemistry

contestada

What is the [h3o+] for a solution at 25°c that has poh = 5.640?

Respuesta :

11-04-2019

Answer:

= 4.37*10^-9 M

Explanation:

We know that;

pH + pOH = 14

Therefore;

pH = 14 - pOH

Which means; pH = 14 - 5.64

= 8.36

But;

pH = -log[H3O+]

Thus;

8.36 = -log[H3O+]

[H3O+] = 10^(-8.36)

= 4.37*10^-9 M

Answer Link

Otras preguntas

mang miguel is a simple and popular draftsman in their hometown if plans to make his own house design what technical drafting safety procedures will he follow?

4019K Express your answer as a nuclear equation.

What dose that mean please help

What is the effective annual interest rate of an investment that pays 14.75% per year with a compound frequency n= 2? (Answer percentage rounded to second decim

The elemental mass percent composition of succinic acid is 40.68% CC, 5.12% HH, and 54.19% OO. Determine the empirical formula of succinic acid.

What is the law of multiple proportions? A. The proportion of elements to compounds is constant. B. All elements are found in equal proportions in nature. C. D

Find the value of x Help please

In the conclusion of "Speech After Being Convicted of Voting," why does Susan B. Anthony make a connection between women's suffrage and the struggle of black pe

If F(x)=|x+2|+x+2, Find f(-7) PLEASE HELP!!

Exam Guidelines Exam Instructions Question 13 of 20 : Select the best answer for the question 13. was the predominant form of government in pre-Revolutionary Eu