a. For the following unbalanced reaction, suppose exactly 6.20 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting reactant is consumed. Na₂B4O7 (s) + H₂SO4 (aq) + H₂O(1)→ H3BO3(s) + Na₂SO4 (aq) Limiting reactant: Mass of excess reagent 1 = Mass of excess reagent 2 = 9 9

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a. For the following unbalanced reaction, suppose exactly 6.20 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting
reactant is consumed.
Na2B4O7 (s) + H₂SO4 (aq) + H₂O(l) → H3 BO3 (s) + Na2SO4 (aq)
Limiting reactant:
Mass of excess reagent 1 =
Mass of excess reagent 2 =
b. For the following unbalanced reaction, suppose exactly 5.85 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting
reactant is consumed.
CaC₂ (s) + H₂O(1) → Ca(OH)2 (s) + C₂H₂(g)
Limiting reactant:
Limiting reactant:
Mass of excess reagent =
c. For the following unbalanced reaction, suppose exactly 5.85 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting
reactant is consumed.
NaCl(s) + H2₂SO4 (1) → HCl(g) + Na₂SO4(s)
Mass of excess reagent =
g
g
g
g
Transcribed Image Text:a. For the following unbalanced reaction, suppose exactly 6.20 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting reactant is consumed. Na2B4O7 (s) + H₂SO4 (aq) + H₂O(l) → H3 BO3 (s) + Na2SO4 (aq) Limiting reactant: Mass of excess reagent 1 = Mass of excess reagent 2 = b. For the following unbalanced reaction, suppose exactly 5.85 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting reactant is consumed. CaC₂ (s) + H₂O(1) → Ca(OH)2 (s) + C₂H₂(g) Limiting reactant: Limiting reactant: Mass of excess reagent = c. For the following unbalanced reaction, suppose exactly 5.85 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent will remain after the limiting reactant is consumed. NaCl(s) + H2₂SO4 (1) → HCl(g) + Na₂SO4(s) Mass of excess reagent = g g g g
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