Exam 1 practice - B) 1 Mg atom and 2 Chlorine atoms C) 1...

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A) 3.0 x 10^23 B) 1.0 x 10^46 C) 1 D) 5.0 x 10^22 E) None of these are reasonable A) Temperature of the system B) Total volume of the system C) Density of the system D) Total number of atoms in the system E) Total number of molecules in the system A) NaHS B) HN02 C) Na2S D) NH4Cl E) NH4F
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A) 35.0 B) 40.0 C) 45.0 D) 50.0 E) 55.0 A) 2 B) 3 C) 6 D) 7 E) 9
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A) 1. B) 2. C) 3. D) 4. E) 5. A) 68 g/mol B) 85 g/mol C) 94 g/mol D) 113 g/mol E) 129 g/mol A) 1.0 x 10^23 B) 6.0 x 10^21 C) 2.0 x 10^23 D) 4.5 x 10^21 E) 3.0 x 10^23
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A) 5:1 B) 15:27 C) 19:27 D) 27:15 E) 1:1 A) 1 pos ion and 2 neg ions’
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Unformatted text preview: B) 1 Mg atom and 2 Chlorine atoms C) 1 pos and 1 neg ion D) 1 Mg atom and 1 Cl2 molecule E) 1 MgCl2 molecule A) B) C) D) E) A) pure substance B) pure element C) heterogenous solution D) pure compound E) homogenous solution A) protons B) neutrons C) isotopes D) nucleons E) electrons A) 20% B) 40% C) 50% D) 60% E) 80% A) 32g B) 32.3g C) 26g D) 25.79 E) 25.8 A) no reaction occurs B) a new salt is formed C) gas is evolved D) an acid and a base are formed E) a precipitate forms...
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Exam 1 practice - B) 1 Mg atom and 2 Chlorine atoms C) 1...

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