BobBball9599 BobBball9599

25-11-2017
Chemistry

contestada

If a buffer solution is 0.190 m in a weak acid (ka = 8.2 × 10-5) and 0.590 m in its conjugate base, what is the ph?\

Respuesta :

07-12-2017

You use the Henderson - Hasselbalch equation pH = pKa + log ([salt]/[acid]) pKa = -log (8.2*10^-5) = 4.081 pH = 4.081 + (0.590/0.190) pH = 4.081 + log 3.105 pH = 4.081 + 0.49206 pH = 4.573

Answer Link

Otras preguntas

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Li

What is the medium of the sound of sound waves from a speaker

Which describes how the Peninsulares culture was formed in the Americas?

Find the word for the blank a trip to florida in auguest means having to blank with extreamly hot weather.

What is the converse of the following true conditional? If the converse is true, rewrite the statements as a bioconditional. If either is false, give a counter

what does the dutch word eylandt mean?kil?

For which pair of objects would adding the same amount of electrons to each object resukt in a decrease in electric forcd

compare Boerne v. Flores to Marbury v. Madison. Which power was used by the Supreme Court in each case? How were the Supreme Court’s rulings similar in each cas

Which city below were the Jews exiled from? -Sidon -Babylon -Jerusalem -Palestine -Cyprus

Susan makes 10% commission on her sales. She also receives a salary of $25,600. How much must she sell to receive a total income between $32,500 and $41,900