Tuesday
July 22, 2014

Homework Help: Chemistry

Posted by Linda on Wednesday, April 11, 2012 at 8:09am.

Which of the following is the most effective buffer system for a pH value of 7.45? Assume all are 1M

A. Carbonic acid and sodium bicarbonate
B. Sodium bicarbonate and sodium carbonate
C. Sodium dihydrogen phosphate and disodium hydrogen phosphate
D Hydrogen cyanide and sodium cyanide
E. Ammonia and ammonium chloride

Would you agree with C?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry(Please check answers) - 1)What is the pH of a saturated solution of ...
chemistry - does a mixture of carbonic acid, H2CO3, a weak acid, and sodium ...
chemistry - Write the balanced chemical equation for the reaction of sodium ...
Chemistry - You have acid reflux and you take teaspoon of sodium bicarbonate. ...
Chemistry - The most abundant cation in seawater is the sodium ion. The ...
chemistry - What is the balanced equation for sodium bicarbonate + sulfuric acid...
chemistry - I need an equation for the neutralization of lemon juice (citric ...
school - What is the pH of 0.1 M formic acid solution? Ka=1.7e10-4? What is the...
Chemistry - 1. Consider a 1.00g unknown sample that contains 62.0% sodium ...
Chemistry - A 3.23 gram sample of a sodium bicarbonate mixture was reacted with ...

Search
Members