Help with Solution Preparation!

Oct 2014
1
0
How many mL of HCl would I need to dilute in a 0.2% sodium bicarbonate solution to create a 100mL solution with a pH of 3? of 5?

How many mL of NaOH would I need to dilute in a 0.2% sodium bicarbonate solution to create a 100mL solution with a pH of 9? of 11?
Thanks so much!
 
Oct 2014
1
0
(or eLearning) is the use of electronic media, educational technology and information and communication technologies (ICT) in education. E-learning includes numerous types of media that deliver text, audio, images, animation, and streaming video, and includes technology applications and processes such as audio or video tape, satellite TV, CD-ROM, and computer-based learning, as well as local intranet/extranet and web-based learning. Information and communication systems, whether free-standing or based on either local networks or the Internet in networked learning, u
http://en.wikipedia.org/wiki/E-learning