chemistry wizard pt 2?

cstspeedy · #1 (**permalink**) 03-29-2008, 01:33 AM

a) pt i: 4.25 / (4.25 + 7.50 + 52.0) x 100 = 6.67%(w/w) NaCl
pt ii: 7.50 / (4.25 + 7.50 + 52.0) x 100 = 11.8%(w/w) KCl

b) pt i: 4.25 / (4.25 + 7.50 + 125) x 100 = 3.11%(w/w) NaCl
pt ii: 7.50 / (4.25 + 7.50 + 125) x 100 = 5.48%(w/w) KCl

c) pt i: 4.25 / (4.25 + 7.50 + 355) x 100 = 1.23% (w/w) NaCl
pt ii: 7.50 / (4.25 + 7.50 + 355) x 100 = 2.04%(w/w) KCl

? Only the gud dye yung · #2 (**permalink**) 03-29-2008, 01:33 AM

Suppose 4.25g of NaCI and 7.50 g of KCL are both dissolved in the amounts of water listen below. Calculate the percent by mass of each component of the solutions.

a. 52.0g
b. 125g
c. 355g

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
chemistry wizard pt. 1 HELP?	? Only the gud dye yung	Chemistry	0	03-30-2008 07:52 AM
chemistry wizard pt 4 HELP!?	? Only the gud dye yung	Chemistry	0	03-29-2008 05:10 AM
Chemistry Wizard pt. 3?	? Only the gud dye yung	Chemistry	1	03-28-2008 10:36 PM
Found New Hardware Wizard?	DR!FT_ie	Hardware	0	02-26-2008 09:44 AM
Hardware Update Wizard?	Rabbit	Hardware	0	02-25-2008 05:59 PM