khama

a.) mass, in grams, of .105 moles of sucrose (C12 H22 O11)
b.)Moles of Zn(NO3)2 in 143.5 g. of this substance
c.)Number of molecules in 1.0 x 10^-6 mol of CH3 CH2 OH
d.)number of N atoms in .410 mol NH3