Fall08PracticeFinal

Fall08PracticeFinal - Exam Name_ MULTIPLE CHOICE. Choose...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What species is represented by the following information? p + = 17 = 18 e - = 18 1) A) Ar B) Kr C) Cl - D) Ar + E) Cl 2) Predict the charge that an aluminum ion would have. 2) A) 1+ B) 5 - C) 1 - D) 2+ E) 3+ 3) A 14.01 g sample of N 2 reacts with 3.02 g of H 2 to form ammonia (NH 3 ). If ammonia is the only product, what mass of ammonia is formed? 3) A) 1.10 g B) 17.03 g C) 23.07 g D) 3.02 g E) 14.01 g 4) Which of the following is an ionic compound? 4) A) SCl 2 B) Cl 2 O C) Mg 3 (PO 4 ) 2 D) PF 5 E) CH 2 O 5) Write the formula for barium nitrite. 5) A) Ba 3 N 2 B) Ba(NO 2 ) 2 C) BaNO 3 D) B(NO 2 ) 3 E) BN 6) Write the name for Sn(SO 4 ) 2 . Remember that Sn forms several ions. 6) A) tin sulfide B) tin (II) sulfite C) tin (I) sulfate D) tin (I) sulfite E) tin (IV) sulfate 7) Write a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate. 7) A) Al(CO 2 ) 3 (aq) + (NH 4 ) 3 PO 3 (aq) ± AlPO 3 (s) + 3 NH 4 CO 2 (aq) B) Al(C 2 H 3 O 2 ) 2 (aq) + (NH 4 ) 2 PO 4 (aq) ± AlPO 4 (s) + 2 NH 4 C 2 H 3 O 3 (aq) C) Al(CO 3 ) 2 (aq) + (NH 3 ) 2 PO 4 (aq) ± AlPO 4 (s) + 2 NH 3 CO 3 (aq) D) Al(C 2 H 3 O 2 ) 3 (aq) + (NH 4 ) 3 PO 4 (aq) ± AlPO 4 (s) + 3 NH 4 C 2 H 3 O 3 (aq) E) Al(C 2 H 3 O 2 ) 2 (aq) + (NH 3 ) 2 PO 4 (aq) ± AlPO 4 (s) + 2 NH 3 C 2 H 3 O 3 (aq) 1
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8) How many N 2 O 4 molecules are contained in 76.3 g N 2 O 4 ? The molar mass of N 2 O 4 is 92.02 g/mol. 8)
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Fall08PracticeFinal - Exam Name_ MULTIPLE CHOICE. Choose...

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