lecture9_040707 - How to take Prelim II Work assigned...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
How to take Prelim II z Work assigned problems Get help when you don’t understand z Go through the problem sets and solutions z Practice the quadratic formula z Put each problem in context Plain equilibrium, K a , K b , K sp , complex equilibria… z Think about the chemistry going on Reaction types (e.g. acid/base neutralization)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
K sp Which of these salts would yield the highest Mg 2+ concentration as a saturated solution? a) MgCO 3 K sp = 3.5 x 10 -8 b) MgF 2 K sp = 3.7 x 10 -8 c) Mg 3 (PO 4 ) 2 K sp = 2.1 x 10 -25 a) MgCO 3 x = 1.9 x 10 -4 M b) MgF 2 x = 2.1 x 10 -3 M c) Mg 3 (PO 4 ) x = 1.35 x 10 -5 M
Background image of page 2
K sp with a common ion Calculate the solubility of CaF 2 (K sp = 4.0 x 10 -11 ) in a 0.025 M NaF solution. x = [Ca 2+ ] = 6.4 x 10 -8 M [F - ] = 0.025 + 2x = 0.025 M
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
sp with a common ion A solution is prepared by adding 750.0 mL of 4.00 x 10 -3 M Ce(NO 3 ) 3 to 300.0 mL of 2.00 x 10 -2 KIO 3 . Will a precipitate of Ce(IO
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

lecture9_040707 - How to take Prelim II Work assigned...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online