Chemistry homework

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1)  Determine the mass of each of the following: 

(a) 2.345 mol LiCl 

(b) 0.0872 mol acetylene, C2H2 

(c) 3.3 × 10−2 mol Na2 CO3 

(d) 1.23 × 103 mol fructose, C6 H12 O6 

(e) 0.5758 mol FeSO4(H2O)7 


2)

Using the periodic table, identify the heaviest member of each of the following groups: (a) alkali metals. (b) chalcogens. (c) noble gases. (d) alkaline earth metals.



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