Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 3 - Mass Relationships in Chemical Reactions - Section Problems - Page 106: 41

Answer

(a) $VCl_3 + 3Na + 6CO --\gt V(CO)_6 + 3NaCl$ (b) $RuI_3 + 5CO + 3Ag --\gt Ru(CO)_5 + 3AgI$ (c) $2CoS + 8CO + 4Cu -- \gt Co_2(CO)_8 + 2Cu_2S$

Work Step by Step

(a) 1. Balance the "$CO$": $VCl_3 + Na + 6CO --\gt V(CO)_6 + NaCl$ 2. Balance the "Cl": $VCl_3 + Na + 6CO --\gt V(CO)_6 + 3NaCl$ 3. Balance the "Na": $VCl_3 + 3Na + 6CO --\gt V(CO)_6 +3 NaCl$ (b) 1. Balance the "$CO$": $RuI_3 + 5CO + Ag --\gt Ru(CO)_5 + AgI$ 2. Balance the "$I$": $RuI_3 + 5CO + Ag --\gt Ru(CO)_5 + 3AgI$ 3. Balance the "Ag": $RuI_3 + 5CO + 3Ag --\gt Ru(CO)_5 + 3AgI$ (c) 1. Balance the "CO": $CoS + 8CO + Cu -- \gt Co_2(CO)_8 + Cu_2S$ 2. Balance the "Co": $2CoS + 8CO + Cu -- \gt Co_2(CO)_8 + Cu_2S$ 3. Balance the "S": $2CoS + 8CO + Cu -- \gt Co_2(CO)_8 + 2Cu_2S$ 4. Balance the "Cu": $2CoS + 8CO + 4Cu -- \gt Co_2(CO)_8 + 2Cu_2S$
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