Question

3.What are the formulas of the following substances?
(a) SO?; Mol. wt. = 80.06 amu
(b) Nicootine, C10H14N?; Mol. wt. = 162.2 amu
4. How many grams of each product result from the following reactions, and how many grams of which reactant are left over
(a) (13.2 g NaCN) + (35.5 AgNO3) = (x g AgCN) + (y g NaNO3)
(b) (11.3 g Fe) + (13.5 g AgNO3) = (x g Ag) + (y g Fe(NO3)2)

5. Calculate the mass percentage composition of each of the following substances :
(a) Malachite, a copper-containing mineral: Cu(OH)2CO3
(b) C4, a military-grade explosive: C3H6N6O6
(c) Prussian blue, an ink pigment: Fe4[Fe(CN)6] 3