l Ultra 8:43 AM 100% a ecourses.pvamu.edu Limiting Reagent Worksheet 1 1. Given
ID: 1030846 • Letter: L
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l Ultra 8:43 AM 100% a ecourses.pvamu.edu Limiting Reagent Worksheet 1 1. Given the following reaction: (Balance the equation first!) CH,O, 8 CO, HO a. If you start with 14.8 g of C,H, and 3.44 g of O determine the limiting reagent b. Determine the number of moles of carbon dioxide produced c. Determine the number of grams of HO produced d. Determine the number of grams of excess reagent left 2. Given the following equation: Al(SO), +6 NaOH 3 Na SO, +2 AI(OH), a. If 10.0 g of Al(SO), is reacted with 10.0 g of NaOH, determine the limiting reagent b. Determine the number of moles of Al(OH), produced c. Determine the number of grams of Na SO, produced d. Determine the number of grams of excess reagent left over in the reaction 3. Given the following equation: AlO, Fe FeO, Al a. If 25.4 g of Al,O, is reacted with 10.2 g of Fe, determine the limiting reagent b. Determine the number of moles of Al produced c. Determine d. Determine the number of grams of excess reagent left the number of grams of FeO, produced over in the reactionExplanation / Answer
1)
balanced equation is
C3H8 + 5O2..........................> > 3 CO2 + 4 H2O
14.8 gm C3H8 = 14.8 / 44 = 0.336 mole.
3.44 gm O2 = 3.44 / 32 = 0.1075 mole.
O2 is the limiting reactant.
number of moles of CO2 produced = 3 * 0.1075 / 5 = 0.0645 mole.
grams of H2O produced = 4 * 0.1075 * 18 / 5 = 1.55 gm
excess reagent left = (0.336 - 0.1075 /5) = 0.3145 mole = 0.3145 * 44 = 13.8 gm
I answered according to chegg guide line.
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