nydeaaa
nydeaaa
01-05-2018
Chemistry
contestada
If the pH is 4.5, what is the pOH ?
Respuesta :
mkryukova19
mkryukova19
05-05-2018
pH+pOH=14
4.5+pOH=14
pOH=14-4.5
pOH = 9.5
We know that
[H⁺][OH⁻]=10⁻¹⁴,so
-log([H⁺][OH⁻])=-log10⁻¹⁴
-log [H⁺]+ (- log[OH⁻])= - log10⁻¹⁴,
- log[H⁺] = pH
- log[OH⁻] = pOH
- log10⁻¹⁴=-(-14)log10=14*1=14
pH + pOH =14
Answer Link
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
how many days does it take for full moon start to begin
how do you use percentages to describe change
a pentagon has angle measure of 105 100 111 and 115, Find the fifth anlge measurement
Question 6 (0.625 points) Which equation shows the Negative One Property of Division? Question 6 options: 8.8 * -1 = -8.8 3.71 = −3.7 −2−1 = 2 −1−9= 9 Question
PLEASE HELP Place these units in order from shortest to longest a nanometer b kilometer c centimeter d decimeter e meter
(3,4); y>x+2 tell whether each pair is a solution of the given inequality
a pen is marked down 40% from the original price the original price was $50 what is the sale price of the pen before sales tax?
Forming a hypothesis is accomplished through_____. Deductive reasoning abductive reasoning inductive reasoning subjective reasoning
the study of the isolation, structure, properties, and uses of metals are called
90074x5 Need proof so i know you didnt use a calculator
