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How many molecules do I have? Note: The answer is assumed to be reduced to the highest power possible.

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<br/> -I have (5.0×10^1) g of aluminum nitrate, Al(NO3)3. which has

a molar mass of 213.01 g/mol. How many molecules do I have? Note: The answer is assumed to be reduced to the highest power possible.
-I have (3.7×10^1) g of aluminum nitrate, Al(NO3)3. which has a molar mass of 213.01 g/mol. How many atoms of nitrogen do I have? Note: The answer is assumed to be reduced to the highest power possible.
-I have (3.8×10^1) g of aluminum nitrate, Al(NO3)3. which has a molar mass of 213.01 g/mol. How many atoms of aluminum do I have? Note: The answer is assumed to be reduced to the highest power possible.
-Rank the following elements from least electronegative (1) to most electronegative (6). N, Ca, P, Si, F, Ba

 
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