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A. Read 8.4 to 8.7. Look over notes and examples from those sections. B. Do the following questions: (for more practice for 8.5, do questions on pg 184, 8.6 do questions on pg 186, 8.7 do questions 189) 1. How many flourine atoms are in 1.00 mol of F? How many flourine atoms are in 1.00 mol of F<sub>2</sub>? 2. (After looking over examples from 8.5)For the element nickel, find the mass of (a) 4.00 mol of Ni (b) .250 mol Ni. 3. (After reading over #7,8 in 8.6) What is the mass of 3.0 mol of <NOWIKI> NaOH? </NOWIKI> 4. Given a 101g sample of Fe<sub>3</sub>O<sub>4</sub>: (a) How many moles are in this sample? (b) How many formula units are present? 5. (After looking at #9 in 8.7) A sample of N<sub>2</sub> is composed of 3.01 x 10<sup>23</sup> molecules. What is the mass of the sample?
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