MOLE CONVERSIONS ASSIGNMENT

CLASSWORK – Monday, February 14, 2011

DON’T FORGET…

·         SHOW YOUR WORK

·         ROUND YOUR ANSWERS FOR SIGNIFICANT FIGURES

·         INCLUDE UNITS WITH YOUR ANSWERS

 

1.)     3.327 x 1024 molecules OF2 = ? moles

2.)     375 grams Zn(NO3)2 = ? moles

3.)     8.42 moles SiF4 = ? molecules

4.)     2.1 x 1024 molecules Fe2O3 = ? grams

5.)     137.5 grams NBr3 = ? molecules

6.)     3.9 x 1022 molecules Rb2CO3 = ? grams

 

TURN IN ON TUESDAY, 2/15/11 IF YOU DON’T FINISH DURING CLASS!