Tuesday, February 8, 2011


Today we learned about dilutions. The formula is M1V1=M2V2. These questions will mention molarity twice and volume twice and will not mention moles. Three numbers are given and the fourth needs to be solved for by isolating it through division.

When diluting substances the molarity (concentration) decreases or becomes more dilute because more water is added to the original solution. The number of moles of solute stays the same, but the molarity changes because the volume increases.

Physical Chemical labs were due today.
Homework tonight is to finish the Green Sheet and work on the Vocabulary. 
Unit 2 Test Friday
Benchmark (Units 1 and 2 cumulative) on Tuesday

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