Starlaforeman5050 Starlaforeman5050

22-03-2021
Chemistry

contestada

What ratio of NaCN to HCN is needed to prepare a pH 9.40 buffer? (Ka of HCN is 4.9 × 10⁻¹⁰)

Respuesta :

ChinaDoll33 ChinaDoll33

22-03-2021

Answer: The ratio of NaCN to HCN is, 1.26

Answer Link

Otras preguntas

Which of the following describes the relationship between elements of an ecosystem? A.Elements of ecosystems are mutually dependent on each other. B.There is no

Why are earthquakes and volcanoes common along the ring of fire

how did the wheelbarrow change the world

Write a short description/Summary about your galaxy, and pose two questions you have about the galaxy

Describe the composition of the nucleus of an atom. Question 2 options: It is composed of protons. It is composed of protons and neutrons. It is composed of pro

Round 345 to one significant number

Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? a. The animal cell is in a hypotonic so

the ratio of boys to girls in Ms.Smith`s class is 3 to 4.If there are 12 boys,how many girls are there?

A polynomial function has a root of -6 with multiplicity 3 and a root of 2 with multiplicity 4 if the function has a negative leading coefficient and is of odd

Tommy takes 4 hours to drive to NC which is 232 miles away. How fast is tommy driving?