Editing Review Homework For 2nd Section Of Mole Concept And Compounds - Revised 2009

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Part I Please write the appropriate chemical formula or chemical name for the following. Make sure to give symbols & charges of each ion before writing correct chemical formula. 
 
a) Trichlorine octabromide 
 
 
b) Fe2(H1P1O3)3 
 
 
c) Ammonium carbonate 
 
 
d) Silicon monophosphide 
 
 
e) O1Br5 
 
 
f) Cobalt (III) sulfate 
 
 
g) Cu1(C2O4)1 
 
 
h) Silver nitrate 
 
 
 
i) Zn3(P1O4)2 
 
 
 
j) N2Cl2 
 
 
 
 
 
Part II Show the symbol and charge for each ion, correct chemical formula and LDS for the following Ionic Compound 
 
 
a. Potassium sulfide 
 
 
 
 
 
 
 
 
 
 
 
 
 
b. Aluminum chloride 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
c. Calcium phosphide 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Part III Answer the following question showing all work

a. A compound consists of 17.6% sodium (Na), 39.7% chromium (Cr), and 42.7% oxygen (O). What is the empirical formula (EF)? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
b. A molecular compound consists of 54.5% C, 13.6% H and 31.8% N. The molar mass of the compound is 176g/mole. What is the empirical formula (EF) and molecular formula (MF).
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Part IV 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 chloride ions (Cl1-) are in 14.5grams of Aluminum chloride? For 2008-2009, 
how many f.u. do I have if I have 14.5grams of aluminum chloride? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Answer: Part III a. Na2(Cr2O7)1, b. {C8H24N4,C2H6N1} 
Part IV 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>

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