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Mg (s)  + 2HCl (aq)     H 2 (g)  + MgCl 2 (aq) ,[object Object],[object Object],[object Object]
Counting things ,[object Object],[object Object],[object Object],[object Object]
Molar mass ,[object Object]
Formula mass ,[object Object]
Formula Mass & Molar Mass ,[object Object],[object Object],[object Object]
How to Find Formula Mass ,[object Object],[object Object],[object Object],[object Object]
Ex:  Find the formula mass of calcium phosphate ,[object Object],[object Object],[object Object],Ca = 40.08 (mass) x 3 (how many) = 120.24 P =  30.97 (mass) x 2 (how many) =  61.94 O = 16.00 (mass) x 8 (how many) =  128.00 Total:  310.18 g/mol So, one mole of Calcium Phosphate has a mass of 310.18 grams
I Do: ,[object Object],[object Object],[object Object]
We Do: ,[object Object],[object Object],[object Object]
You Do: ,[object Object],[object Object],[object Object],[object Object]
Hydrates ,[object Object]
Hydrates ,[object Object]
Hydrates ,[object Object],CuSO 4  • 5H 2 0
Hydrates ,[object Object],[object Object]
I Do: ,[object Object],[object Object],[object Object]
We Do: ,[object Object],[object Object],[object Object]
You Do: ,[object Object],[object Object],[object Object]

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