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

Select the correct answer. Which sentence uses the negative connotation of the word cheap? A. He always comes up with some cheap excuse to miss gym class. B.

STEM carnival essay

The primary symptoms of _________________ are muscular rigidity, slowness of movement, a resting tremor, and postural instability

A 75.1 L sample of gas at 33.2 ºC and 365.7 mm Hg expands to 242.9 L at 6.5 ºC. What is the new gas pressure?

“Es imposible vivir sin fallar en algo, a menos que vivas con tanta cautela que sea como si no hubieras vivido en absoluto, en cuyo caso has fallado por defecto

2) Find the perimeter and area of the figures: a) P = A = 8 8 ft. b) P = A = 12 5m

Material requirements plus an allowance for normal inefficiencies are added together to determine the.

Find the missing side length in the image below 12 18 and 10

The burning characteristics of a gasoline can be improved by converting the octane it contains into isooctane. This conversion requires the use of expensive cat

help please it would make my day pleaes help me