Editing 2021-2022 Review HW For Two Step Mole Calculation, Molarity And Naming Molecular Compounds

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Part I Please write the appropriate chemical formula or chemical name for the following. 
 
a) Trichlorine octabromide 
 
 
b) N2Cl5 
 
 
c) Chemical formula for elemental Bromine 
 
 
d) Silicon monophosphide 
 
 
e) Br7S9 
 
 
 
Part II Answer the following questions showing all work. 
 
a) How many grams in 23.7 liters of chlorine gas (Cl2) @ <nowiki>STP</nowiki>? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
b) How many molecules in 24.5 grams of water? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
c) How many f.u. do I have if I have 14.5grams of aluminum chloride (Al1Cl3)? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

d) How many liters of N2 in 3.4E24 molecules of this gas. (The element N is not found alone in nature but instead as in two's so it is actually a molecule) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
e. How many grams of Sodium carbonate (Na2(CO3)1) do you need to add to get 452mL of a 0.728M solution? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Answer: 
Part I : Will give in class 
a) Cl3Br8 
b) Dinitrogen pentachloride 
c) Br2 
d) Si1P1 
e) Heptabromine nonasulfide 

Part II : 
a. 75.1g Cl2 @<nowiki>STP</nowiki> 
b. 8.19E23 molecules H2O 
c. 6.51E22 f.u. Al1Cl3 
d. 130L (or 1.3E2L) N2 @<nowiki>STP</nowiki> 
e. 34.9g Na2(CO3)1

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