ejreed99 ejreed99

02-06-2017
Chemistry

contestada

An HCl solution has a concentration of 9.8 x 10-5 M. What is the pH of this solution?

Respuesta :

dec77cat dec77cat

02-06-2017

HCl = H⁺ + Cl⁻

c(HCl)=9.8*10⁻⁵ mol/l

pH=-lg[H⁺]

[H⁺]=c(HCl)

pH=-lg{c(HCl)}

pH=-lg{9.8*10⁻⁵}=4.009

pH=4.009

Answer Link

Otras preguntas

how to improve rate of photosynthesis at 5 degree c to get more precise value for the optimum temperature.

where were the riots and discontent most prevalent in the mid-1960s? why?help help help help please

mike lives in the northern united states (in minnesota) and nick lives in the southern united states (louisiana). when they both feel insulted by the same indiv

If a game is begun by placing the game piece on the rightmost black space for step 1, what will be the value of the counter at the end of the game?.

Write an equation to represent the following statement. 51 5151 divided by 3 33 is k kk.

[tex]\sf Solve \;it \; with \; steps:-[/tex] [tex]\bf 3\left(2x+2\right)=\:4x-10[/tex] ~ frεε

HELP PLSSSSSSSS!!! TY!!! If the sum of four consecutive numbers is 1998, what is the third number? The third number is ?

Richard Henry takes out $25,000 of ordinary whole life when he is forty-three years old. a, annual premium b. semiannual premium

Please answer . Just read and give the exact answer to each question ( please be numbered )

What type of graph is this ?