Calculating Molar Mass of Sr(NO3)2: Step-by-Step Guide with Example Calculation

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SUMMARY

The molar mass of strontium nitrate, Sr(NO3)2, is calculated as 211.628 g/mol. This is derived from the contributions of each element: strontium (Sr) at 87.62 g/mol, nitrogen (N) at 14.007 g/mol for two nitrogen atoms totaling 28.014 g, and oxygen (O) at 15.999 g/mol for six oxygen atoms totaling 95.994 g. The final calculation combines these values to reach the total molar mass.

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UNknown 2010
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Hi
my question is
What is the molar mas of: Sr(NO3)2
1 mol Sr ((87.62 g Sr)/(1 mol Sr)) = 87.62 g
2 mol N ((14.007 g N)/(1 mol N)) = 28.014 g

6 mol O ((15.999 g O)/(1 mol o)) = 95.994 g

The molar mas is (87.62 g + 28.014 g + 95.994 g) = 211.628 g
 
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Correct.
 

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