Steel containing some vanadium (V) metal is used to make extremely tough tools such as axles,...

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Steel containing some vanadium (V) metal is used to make extremely tough tools such as axles, plates, car gears, springs, cutting tools, piston rods and crankshafts. V can be obtained by the following reaction. 5Ca + V205 →→ 5CaO +2V A chemist used X mol of Ca and Y mol of V₂O5 to carry out this reaction. a) What is the limiting reagent (limiting reactant)? b) What is the theoretical yield in g V? X = 4.6 mol Ca, Y = 3.1 mol V₂05 a) Limiting reagent is: b) Theoretical yield is: 2 3 4 5 1A 1 H 1.008 3 Li 6.94 11 Na 22.99 19 K 39.10 2 2A 4 Be 9.01 12 Mg 24.30 3 3B 38 37 Rb Sr 85.47 87.62 55 56 4 4B 21 20 Ca Se 40.08 44.96 47.88 22 Ti 40 Zr 39 Y 88.91 91.22 57 72 5 SB 23 V 50.94 41 Nb 92.91 73 6 6B 24 Cr 52.00 42 Mo 95.94 74 gV 7 7B 43 Te 98.91 75 (Write the formula without subscripting the number of elements, if needed. Example: H2O instead of H₂O) 8 8B 25 26 Ma Fe 54.94 55.85 9 8B 27 Co 58.93 44 45 Ru Rh 101.07 102.91 76 77 10 8B 11 1B 28 Ni 58.69 29 Cu 63.54 46 47 Pd Ag 106.42 107.87 78 79 12 2B 30 Zn 65.39 48 Cd 112.41 80 13 3A 5 B 10.81 13 Al 26.98 31 Ga 69,72 14 4A 6 C 12.01 14 Si 28.09 32 Ge 72.61 49 50 In Sn 114.82 118.71 81 82 15 SA 7 N 14.01 16 6A 8 0 16.00 17 ΤΑ 16 S 32.07 9 F 19.00 15 P 30.97 33 As 35 Br 74.92 78.96 79.90 34 Se 17 Cl 35.45 51 52 53 Sb Te I 121.75 127.6 126.90 85 83 84 18 8A 2 He 4.003 10 Ne 20.18 18 Ar 39.95 36 Kr 83.80 Rectangular Sni 54 Xe 131.29 86 Steel containing some vanadium (V) metal is used to make extremely tough tools such as axles, plates, car gears, springs, cutting tools, piston rods and crankshafts. V can be obtained by the following reaction. 5Ca + V205 →→ 5CaO +2V A chemist used X mol of Ca and Y mol of V₂O5 to carry out this reaction. a) What is the limiting reagent (limiting reactant)? b) What is the theoretical yield in g V? X = 4.6 mol Ca, Y = 3.1 mol V₂05 a) Limiting reagent is: b) Theoretical yield is: 2 3 4 5 1A 1 H 1.008 3 Li 6.94 11 Na 22.99 19 K 39.10 2 2A 4 Be 9.01 12 Mg 24.30 3 3B 38 37 Rb Sr 85.47 87.62 55 56 4 4B 21 20 Ca Se 40.08 44.96 47.88 22 Ti 40 Zr 39 Y 88.91 91.22 57 72 5 SB 23 V 50.94 41 Nb 92.91 73 6 6B 24 Cr 52.00 42 Mo 95.94 74 gV 7 7B 43 Te 98.91 75 (Write the formula without subscripting the number of elements, if needed. Example: H2O instead of H₂O) 8 8B 25 26 Ma Fe 54.94 55.85 9 8B 27 Co 58.93 44 45 Ru Rh 101.07 102.91 76 77 10 8B 11 1B 28 Ni 58.69 29 Cu 63.54 46 47 Pd Ag 106.42 107.87 78 79 12 2B 30 Zn 65.39 48 Cd 112.41 80 13 3A 5 B 10.81 13 Al 26.98 31 Ga 69,72 14 4A 6 C 12.01 14 Si 28.09 32 Ge 72.61 49 50 In Sn 114.82 118.71 81 82 15 SA 7 N 14.01 16 6A 8 0 16.00 17 ΤΑ 16 S 32.07 9 F 19.00 15 P 30.97 33 As 35 Br 74.92 78.96 79.90 34 Se 17 Cl 35.45 51 52 53 Sb Te I 121.75 127.6 126.90 85 83 84 18 8A 2 He 4.003 10 Ne 20.18 18 Ar 39.95 36 Kr 83.80 Rectangular Sni 54 Xe 131.29 86

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