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!