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Wednesday, October 17, 2007

Wed Oct 17

SCH 3U Period 1
Took up HMK Q's
The Mole
In class - Q 13,14, 15, 17 p. 177, Q 19 p. 178
HMK: Q 16, 18 p. 177
Q 1, 3*, 5, 8, 9 p. 179
Quiz Friday

SNC1P
Reading and Naming Chemical Compounds + Formulas
Progress Reports handed out
Test Tuesday

SCH 3U Period 4
Took up HMK Q's
The Mole lives on
In class - Q 15-18 p. 177, Q 19-22 p. 178
HMK:
any work not done in class
Q 1, 3*, 5, 8, 9 p. 179
Quiz Friday

2 comments:

sparks-xo said...

ms.

i don't understand question 22, can you give me any hints?

thanks=)

MsWiens said...

There are 2 carbon atoms in 1 molecule

Ratio:
1.4x10^23 C atoms = x molecul CH3COOH
2 = 1 molecule

X =

then find moles