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OpenStudy (anonymous):
Calculate the molecular weights for NH3 and SF6.
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OpenStudy (anonymous):
do you have a periodic table handy?
OpenStudy (anonymous):
ok. you're going to need it for the masses of the elements. \(NH_3\) has 1 nitrogen atom and 3 hydrogen atoms. From the table, the mass of nitrogen is 14.007 g/mol and the mass of hydrogen is 1.008 So the molecular weight is \(14.007 + 3(1.008)=17.031~g/mol\)
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