1. . How many moles of iron (Fe) are in one mole of the following molecule: Fe2(SO4)3?
a. 2 moles
b. 3 moles
c. 4 moles
d. 6 moles
e. 12 moles

2. . How many moles of oxygen (O) are in one mole of the following molecule: Fe2(SO4)3 ?
a. 2 moles
b. 3 moles
c. 4 moles
d. 6 moles
e. 12 moles

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.