grade 11 UNI chemistry?

[UT scientist]

11.calculate the mass of each of the following substances:

a) 4.22 mol of ammonia in a window-cleaning solution
c) 57.3 mmol of water vapou produced by a labratory burner
e) 0.77 mol of ammonium sulfate fertilizer

12. Calculate the # of entities in each of the following:
a) 15 mol of solid carbon dioxide, in dry ice
b) 15g of ammonia gas, in household cleaners