HW answers p. 304,307,311

[Mr. Pringle]

p. 304
1a. 0.67 mol O2
1b. 1.34 mol H2O

2a. 6.60 mol Al
2b. 6.60 mol Fe
2b. 3.30 mol Al2O3

p. 307
1) 45.6 g Al
2) 44.6 g Al2O3
3) 679 g Fe2O3
4) 107 g Fe

p. 311
1) mole ratio
2a. molar mass connects moles and grams
2b. Avogadro's number connects molecules and moles
3) 44.01 gCO2 / 1 mol CO2 ; 6.022 X10^23 molecules H2O / 1 mol
H2O

4a. 5.48 mol
4b. 780 g BrCl
4c. 12020 g Br2