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www.youtube.com/watch?v=BTRm8PwcZ3U<br />

www.youtube.com/watch?v=F9NkYSKJifs<br />

www.youtube.com/watch?v=xPdqEX_WMjo<br />

Molar Mass<br />

LG:The students will learn how balanced chemical<br />

equations are used in stoichiometric calculations and<br />

how to calculate amounts of reactants and products in a<br />

chemical equation.<br />

H<br />

Elements<br />

Check Periodic table<br />

Mna = 22.99 g/ml<br />

Molecules<br />

1.008<br />

O<br />

16.00<br />

S<br />

32.07<br />

Na<br />

22.99<br />

Add up masses of each atom<br />

H 2 SO 4 :<br />

M H2So4 = 2 x 1.008 + 32.07 + 4 x 16.00<br />

= 98.09 g/ml<br />

M o2 = 2 x 16.00 = 32.00 g/mol<br />

Pg85

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