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For each of the following unbalanced reactions, suppose 4.85 g of each reactant is taken. Determine...

For each of the following unbalanced reactions, suppose 4.85 g of each reactant is taken. Determine which reactant is limiting, and also determine what mass of the excess reagent(s) will remain after the limiting reactant is consumed. (Select all that apply.)

1. CaC2(s) + H2O(l) → Ca(OH)2(s) + C2H2(g)

2.NaCl(s) + H2SO4(l) → HCl(g) + Na2SO4(s)

3.SiO2(s) + C(s) → Si + CO(g)

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