key1(2) - Problem 2 (10 points) Complete the following...

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CHEM 1211 Test I ID – A Blue ID – B Green ID – C Yellow 1) B 2) E 3) B 4) C 5) A 6) D 7) B 8) B 9) D 10) E 11) C 12) D 13) E 14) A 15) C 16) D 17) B 18) C 19) A 20) C 21) B 22) D 23) A 24) C 25) E 1) B 2) A 3) B 4) D 5) D 6) E 7) C 8) E 9) C 10) C 11) C 12) C 13) C 14) D 15) E 16) A 17) B 18) E 19) A 20) B 21) A 22) D 23) B 24) D 25) B 1) E 2) C 3) D 4) D 5) C 6) B 7) E 8) D 9) E 10) C 11) A 12) C 13) B 14) D 15) C 16) B 17) A 18) E 19) A 20) B 21) D 22) A 23) B 24) C 25) B
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Problem 1 (5 points) Calculate the mass in grams, of: 4.24 mol of aluminum g mol g mol 114 1 98 . 26 24 . 4 = 0.063 mol of platinum g mol g mol 12 1 08 . 195 063 . 0 =
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Unformatted text preview: Problem 2 (10 points) Complete the following table: Name Formula Magnesium Acetate Mg(CH 3 CO 2 ) 2 Sodium sulfate Na 2 SO 4 Cobalt(III) Fluoride CoF 3 Tetraphosphorus trisulfide P 4 S 3 Calcium Hydrogen Carbonate Ca(HCO 3 ) 2 Problem 3 (10 points) Nitrogen and oxygen form a series of oxides with the general formula N x O y . One of them, a blue solid, contains 36.84% nitrogen and 63.16% oxygen. What is the empirical formula of this oxide? 3 2 5 . 1 1 95 . 3 63 . 2 95 . 3 / . 16 16 . 63 16 . 63 % 16 . 63 63 . 2 / 00 . 14 84 . 36 84 . 36 % 84 . 36 O N O N O N mol mol g g O mol g O mol mol g g N mol g N = = → = = →...
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This note was uploaded on 11/16/2011 for the course CHEM 1211k taught by Professor Wood during the Fall '07 term at Valdosta State University .

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key1(2) - Problem 2 (10 points) Complete the following...

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