Part A) How many out of the following molecules: HCl, SF6, CCl4, PCl5, H2S, SiH4, possess dipole moments?
(a) 1 (b) 2 (c) 3 (d) 4 (e) 5
Part b) The combustion of 0.296 kg of propane produces 713 g of carbon dioxide. What is the percent yield of this process?
(a) 80.5% (b) 0.805% (c) 124% (d) 62.0%
(e) None of the above. If so, what is your answer?
Part c) How many moles of calcium hydroxide are needed to neutralize 35.0 mL of 0.116 M HNO3 solution?
(a) 4.06x10-3 moles (b) 2.03x10-3 moles (c) 0.406 moles
(d) None of those, if so what is your answer?
Part d) What is the total number of atoms in 1 mole of sodium sulfate?
(a) 6.02x1023 (b) 1.20x1024 (c) 1.20x1024 (d) 4.22x1024
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