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III. STOICHIOMETRY 5. Math and Chemical EquationsB. Balancing Equations2010 Given the unbalanced equation:866 When the equationAl(OH) 3+ H 2SO 4 → Al 2(SO 4) 3+ H 2OWhat is the coefficient in front of the H 2O when theequation is completely balanced using the smallest wholenumber coefficients?(1) 6 (3) 3(2) 2 (4) 41844 Given the unbalanced equation:__C 3H 8(g) + __O 2(g) → __H 2O(g) + __CO 2(g)When the equation is completely balanced using smallestwhole numbers, the coefficient of O 2is(1) 5 (3) 3(2) 2 (4) 101657 When the equation__H 2O 2 → __H 2O + __O 2is completely balanced, the sum of all the coefficients willbe(1) 5 (3) 3(2) 8 (4) 41606 Given the unbalanced equation:__Al 2(SO 4) 3+ __Ca(OH) 2 → __Al(OH) 3+ __CaSO 4What is the coefficient in front of the CaSO 4when theequation is completely balanced with the smallest wholenumbercoefficients?(1) 1 (3) 3(2) 2 (4) 41384 When the equation__H 2+ __N 2 → __NH 3is completely balanced using smallest whole numbers, thesum of all the coefficients will be(1) 6 (3) 3(2) 7 (4) 121276 When the equation__C 2H 6+ __O 2 → __CO 2+ __H 2Ois correctly balanced, the coefficient in front of O 2will be(1) 7 (3) 3(2) 10 (4) 4_Fe 2O 3(s) + _CO(g) → _Fe(l) + _CO 2(g)is correctly balanced using the smallest whole numbers, thecoefficient of Fe(l) is(1) 1 (3) 3(2) 2 (4) 4708 When the equation__Ca(ClO 3) 2 → __CaCl 2+ __O 2is correctly balanced, the coefficient in front of the O 2willbe(1) 1 (3) 3(2) 2 (4) 4530 Given the unbalanced equation:__Li + __N 2 → __Li 3NWhen the equation is correctly balanced using smallestwhole numbers, the coefficient of the lithium is(1) 1 (3) 3(2) 2 (4) 6415 When the equation__Al(s) +__O 2(g) → __Al 2O 3(s)is correctly balanced using smallest whole numbers, thesum of the coefficients will be(1) 9 (3) 3(2) 7 (4) 12244 When the equation__Al(s) + __O 2(g) → __Al 2O 3(s)is correctly balanced using the smallest whole numbers, thecoefficient of Al(s) is(1) 1 (3) 3(2) 2 (4) 4159 When the equation__NH 3+ __O 2 → __N 2+ __H 2Ois completely balanced using the smallest whole numbers,the coefficient of the O 2will be(1) 1 (3) 3(2) 2 (4) 4108© 1998-2010 Eduware, Inc.