benatiyeh59 benatiyeh59

Today at 8:40 AM
Chemistry

Answered

What is the pH of a sample with [OH-] = 2.5 x 10-11 M?

Answer :

magalieisik magalieisik

Today at 8:45 AM

Answer:

The pH of the sample is 3,4.

Explanation:

We calculate the pOH from the formula pOH = -log (OH-). We know that for all aqueous solutions: pH + pOH = 14, and from there we clear pH:

pOH= -log (OH-)=10,60

pH + pOH = 14

pH + 10,60 = 14

pH=14 -10,60

pH=3,4

Answer Link

Other Questions

(Economics) This list describes recent events in a country. As you read the list, think about the role of the country’s central bank. The country has seen its G

Select the correct answer. In Andrew Marvell's poem "To His Coy Mistress," why does the speaker use the line "Thou by the Indian Ganges' side"? A. to make his b

Admittance into the United States through Ellis Island was largely dependent on

HELP PLEASE I GIVE 20 Points TO WHOEVER ANSWERS THIS How did uprisings like Shays Rebellion help lead to a change in the nations Government Please HELP ASAP

Use the drop-down menus to complete each sentence. By 1910, (No, all or five) states had passed laws to allow women to vote. The (NWSA, NASWA, or AWSA) used Car

Child labour par hindi mein paragraph

What are the materials that persist in the environment for long time? How are thesematerials broken down?

State and explain the Kepler’s laws of planetary motion and hence derive the Newton’s law of gravitation from the Kepler’s law. Show that the law of areas is me

Three challenges faced by election commission

what are the requiernment to make good table??? ques of the tabulation chapter , plz ans

Circle the equation and put an X through the non-equations a. 3+4=x b. 2x-5=20 c. 3+2=x+7 d. 3x-4

. Write an equation in point-slope form of a line that has a slope of -3 and goes through the point (7,-5). A - y + 5 = -3(x-7) C - y- 5 = -3(x + 7) B - y- 7 =

List at least one discretionary expense listed on the bank statement or check register

The freshman class is selling candy bars to raise money. They purchased 3100 candy bars and paid a delivery fee of $35. The total cost, including the delivery f

Conner is worried because his grades are slipping and his mother recently lost her job. Sometimes this can lead to depression. Which would be his best strategy

Help with 1-18 all i need work If answer Ill give brainlyest I just need help please need answers fast

what are some pros and cons of imperialism ?

Use the Distance Formula to find the distance between (1, 3) and (-2,9), rounded to the nearest hundredth. The distance between the points is about units

The sum of a number and its reciprocal is 6.41. What is the number?

why is superficial anatomy important? A.) It can be used to make up invisible lines related to diseases. B.) It can be used to better identify underlying intern