Review Homework For 1st Section Mole Concept And Compound

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Review Homework for 1st Section Mole Concept and Compounds

Give the correct Lewis Dot Structure(s) for the following:

a. CF₄

b. SiS₂

c. NO₃^-1

d. SeBr₆2017-2018 DO NOT DO THIS QUESTION

Give the appropriate chemical name or chemical formula for the following:

a. S₄Cl₉

b. Sulfur trioxide

c. NO₂

d. Pentafluorine monochloride

Answer the following problems showing all work (use the Mole Wheel for conversion factors and/or equations)

a. How many grams of carbon dioxide do I need to weigh out to have 3.67 moles of carbon dioxide?

b. How many moles of nitrogen gas (N₂) @STP do I have if I have 65.2liters of this gas @STP?

c. How many molecules of disulfur trichloride do I have if I have 7.65 moles of this compound?

Answer:
a) 161g CO₂, b) 2.91mole N₂ @STP, c) 4.61E24 molecules S₂Cl₃