yh148321 yh148321

23-04-2021
Chemistry

contestada

What is the poH of a solution that has an [H+] = 7.7 x 10-7 M? *
O 7.9
6.5
O 2.3

What is the poH of a solution that has an H 77 x 107 M O 79 65 O 23 class=

Respuesta :

23-04-2021

Answer:

7.9

Explanation:

pH=-log([H+])

pH=-log(7.7×10⁻⁷M)

pH=6.113509275

Now, poH + pH = 14

Making poH the subject,

poH=14-pH

poH=14-6.113509275

poH=7.886490725

≈7.9

∴poH≈7.9

Answer Link

Otras preguntas

Iron and calcium metal ions are known to chelate with EDTA. Suppose the water used in preparation of your zinc chloride solution in the volumetric flask contain

Determine the inverse of the function f (x) = 3(x − 4)2 + 5. inverse of f of x is equal to 4 minus the square root of the quantity of the quantity x minus 5 en

When did campaign finance regulation begin in the United States group of answer choices?.

What exactly is a lobbyist and what is lobbying ?.

FILL IN THE BLANK. ___ , like its relatives zanamivir and oseltamivir, blocks the entry of influenza virus by blocking fusion of the virus with the host cell me

the healthcare provider prescribes an infusion of dextrose 5 in water with sodium nitroprusside (nitropress) 100 mg/250

" Which of the following is NOT considered a fossila) bones b) animal feces c) footprints d) none of the above "

question 10(multiple choice worth 2 points) (02.02 mc) identify the sentence with an absolute phrase. hiba laughed and clapped their hands, after blowing out th

Can you prove triangles congruent by SAS?.

What value of x will make a0nm similar to ASRQ by the SAS similarity theorem?.