3RD QUARTER S.Y. 2012 - 2013: Mole Conversion Reviewer

Holey-Moley!

A good mole-y day to everyone. Good thing we're not dealing with this kind of mole. Look at those nails!

Moles, Molecules, and Grams Worksheet – (Answers in Red)

1)         How many molecules are there in 24 grams of FeF₃? 1.28 x 10²³ molecules

2)         How many molecules are there in 450 grams of Na₂SO₄?  1.91 x 10²⁴ molecules

3)         How many grams are there in 2.3 x 10²⁴ atoms of silver?  421 grams

4)         How many grams are there in 7.4 x 10²³ molecules of AgNO₃?  209 grams

5)         How many grams are there in 7.5 x 10²³ molecules of H₂SO₄?  122 grams

6)         How many molecules are there in 122 grams of Cu(NO­₃)₂?  3.92 x 10²³ molecules

7)         How many grams are there in 9.4 x 10²⁵ molecules of H₂?  312 grams

8)         How many molecules are there in 230 grams of CoCl₂?  1.07 x 10²⁴ molecules

9)         How many molecules are there in 2.3 grams of NH₄SO₂?  1.69 x 10²² molecules

10)      How many grams are there in 3.3 x 10²³ molecules of N₂I₆?  430 grams