Tues., Apr. 24, 2012

Warm-ups:  4.5 grams of mossy zinc (Zn) 
reacts with phosphoric acid (H3PO4).  What 
mass of  phosphoric acid are needed to react 
completely so there are only products in the 
end?  One of the products is a gas and will 
escape unless extraodinary precautions are 
taken.  What mass of the other product will 
be produced?
Objectives: Produce a rough draft lab 
report and get it approved by the teacher
Announcements: Stoichiometry Quiz #2
 on Thurs

Data Analysis -

• Key data from crude data
• Molar masses
• Get moles
• Compare
• What's the formula?

Error and error analysis
What's in a conclusion?
What's an abstract?