Tony2759go Tony2759go

Mathematics

Answered

What is the hydrogen ion concentration of a solution with a pH of 4.2?

a) 3.2 x 10-6 M
b) 2.7 x 10-9M
c) 6.4 x 10-5 M
d) 1.0 x 10-6 M.

Answer :

Wallind123go Wallind123go

Step-by-step explanation:

pH = 4.2

- log[H+] = 4.2

[tex][ H+] = {10}^{ - 4.2} [/tex]

[tex][ H+] = 6.4 \times {10}^{ - 5} [/tex]

OPTION C

Answer Link

Go Teaching: Other Questions

On A Coordinate Plane, 3 Triangles Are Shown. Triangle A B C Has Points (5, Negative 5), (1, Negative 2), (1, Negative 5). Triangle A Prime B Prime C Prime Has

Looking At The Scope Of Our Course, What Is The Most Important Understanding You Think All Americans Should Have About Our Shared History? Explain. Use 3 Pieces

Jeremy Has A Young Son. He Is Careful To Buckle His Son's Carseat Properly, Stand Within Arm's Reach In Situations Where His Son Might Fall, And Pays Close Atte

25. IF THE ROADWAY IS WET AND THE CAR STARTS TO SKID, YOU SHOULD: A. Slow Down By Pumping The Brakes Quickly And Firmly B. Slow Down By Shifting To A Lower Gear

Most Applications Will Ask You To Provide All Of The Following Information Except. A. The Date You Can Start Work. B. Days And Hours That You Are Available To W

What System Function Together Maintain Life

The Great Pyramid Of Giza Has A Square Base. The Length Of Each Side Of The Base Is Approximately 230 Meters. The Height Of The Pyramid Is Approximately 147 Met

What Information Can A Scientist Learn Directly From A Single Fossil? A. How The Organism Is Related To Organisms On Earth Today B. What The Organism Looked Lik

In Order To Determine The Effect Of Muscle Fatigue On The Ability Of Students To Squeeze A Clothespin, Five Male Students Did Jumping Jacks For Three Minutes A

20. THOUGHT PROVOKING There Are 100 Coins In A Bag. Only One Of Them Has A Date Of 2010. You Choose a Coin At Random, Check The Date, And Then Put The coin Back

Why Is A Magnetar Extremely Magnetic?

1 2 X -5 -4 -3 2 1 0 1 2 3 6 f(x) -6 -2 0 4 4 0 -2 -6 -10 Based On The Table, Which Best Predicts The End behavior Of The Graph Of F(x)? O As X, F(x)→∞, And As