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

Otras preguntas

The slope of the line whose equation is 2x + 5y + 1 = 0 is0-2750-1/5O5/2

. Find all the roots of this equation x 3 – 3x 2 + 4x – 12 = 0.

NO LINKS!! Please help me with this horizontal ellipse. Part 3a

Perform the calculation then round to the appropriate number of significant digits. 128.5 x 3.24

Alexander is a stockbroker. He earns 12% commission each week. Last week, sold $5,300 worth of stocks. How much did he make last week in commission? If he a

. Find all the roots of this equation x 3 – 3x 2 + 4x – 12 = 0.

Write a polynomial P(x) of degree 5 and with zeros 2, 5/2, (which of multiplicity one) and 0 (of multiplicity 3). Note: if x-c is a zero of P(x) of multiplicity

Terra data cycle experiment the beginning temperature for saltwater solution was -2°C by the end of the experiment a solution temperature was 24°C what was the

Write the coordinates of the vertices after a transition 5 units right S= U= T=

Find a two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained