AmiarKatstala AmiarKatstala

31-08-2016
Chemistry

contestada

Calculate the pH of a 0.30 M NaF solution. The Ka value for HF is 7.2*10^-4

Respuesta :

meerkat18 meerkat18

01-09-2016

we are given with the equilibrium constant of acid, HF and is asked to calculate the pH of 0.30 M NaF solution. The formula to be followed is
Ka = [H+][F-]/[HF]Ka = 7.2 x 10 -4 = x^2/[0.3-x]x = [H+]= pH = -log (H+) = 1.84

Answer Link

Otras preguntas

Numerous reform movement’s changed the u.s during the 1800s u.s history

When planning the structure of a spreadsheet, columns are for___ items and rows are for___ items

Kim Jordan, cofounder and CEO of New Belgium Brewery, believes that the New Belgium Brewery is acting as a business role model. The company's focus on meeting c

Europe is part of the continent known as

The two rectangles are similar. What is the ratio of the sides of the smaller rectangle to the corresponding sides of the larger rectangle?

Tina drinks 4 buckets of water for every 2 buckets of food .If Tina eats 6 buckets of food a day how many buckets of water did she drink

The Organisation for Economic Co-operation and Development's requirement that personal data collected should be accurate, complete, current, and relevant to the

During a therapy session, the client states that the client is 14 trillion years old and created the world. The nurse documents this statement as an example of

Which of the following is NOT one of the rights afforded to students (or the parents of a minor student) under the Family Educational Rights and Privacy Act (FE

What is an easy way to divide 32/9662 worked out on a page