Sabtu, 14 Maret 2009

stoichiometry of solutions

1. 100 ml nitric acid 0.2 M added 20 ml kalium hidroxide.
Determine: a. reaqtion of equation
b. molarity of KOH
2. Zink metal reacted with 250 ml acid chloride 0.3 M.
Determine: a. balancing of reaction
b. mass of zinc if Ar Zn = 56
3. 250 ml acetic acid 0.1 M reacted with 150 ml sodium hidroxide 0.2 M
Determine: a. balancing of reaction
b. mol zat yang tersisa
4. 100 ml H2S 0.1 M reacted with Al(OH)3 0.2 M
Determine volume of Al(OH)3

Rabu, 04 Maret 2009

Buat Soal

Calculate pH of o,1 M acid cloride solutions