reesestebbs
reesestebbs reesestebbs
  • 22-03-2021
  • Chemistry
contestada

A solution has a [OH-] of 1.43x10-9. What is the pH of this solution?
a. 5.2
b. 8.8
C. 9.1
d. 4.9

Respuesta :

21ahmedfa 21ahmedfa
  • 02-04-2021

Answer:

a. 5.2

Explanation:

pOH = -log(1.43 x 10^-9) = 8.845

pH = 14 - pOH = 14 - 8.845 = 5.155 ≈ 5.2

Answer Link

Otras preguntas

why do scientist use models of natural systems
In a sport competition Alyssa was penalized -16 points in each of the 4 events how many points was she penalized in each event?
An idea or opinion that opposes the thesis of an argument is called a
Help please!!!!!!! Which sentence is correctly punctuated? (5 points) The cat leapt onto the window sill in a blur; however, the lizard escaped through a gap
What are three reasons why the renaissance began in italy
please help solve picture
When the contour lines are farther apart, is the slope more gradual or gentle.
please help asap 20pts
8/n = 33/45 what is n value
7.02 CaO(s) + H2O(l) → Ca(OH)2(s): ΔH = −65.2 kJ Which statement about the reaction between calcium oxide and water is correct? 65.2 kJ of heat are released f