Thursday, January 31, 2008

1/31/08

1) 20.0 moles of chlorine

2) a) 1.2E24 + 6.02E23 --> 1.2E24
b) 2 mol + 1 mol --> 2 mol
c) 48.6 gMg + 32 g oxygen --> 80.6 g magesium oxide
d) 22.4 L of Oxygen

3) a) 3.6E24 + 1.2E24 --> 1.2E24 + 1.8E24
b) 6 mol + 2 mol --> 2 mol + 3 mol
c) 138 + 196 --> 328 + 6
d) 67.2 L Hydrogen

4) 27.6 L of oxygen

5) 5.04E25 particles Na(OH)

6) 14.26g --> 14.24g