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1 Mg + 1 S → 1 MgS 6.3 mol S ? 6.3 mol S = g Mg 1 mol Mg ? 1 mol S ? 24.3 g Mg ? 1 mol Mg 1 mol Mg = mol S = Round to the nearest tenth = if needed mol Mg g Mg g Mg 70.8 L Ca ? 1 Ca + 1 F2 → 1 CaF2 70.8 L Ca = particles CaF2 1 mol Ca ? 22.4 L Ca ? mol CaF2 = 6.022x1023 particles CaF2 1 mol Ca 1 mol CaF2 1 mol Ca = 1 mol CaF2 1 mol Ca = 6.022x1023 particles CaF2 ? 1 mol CaF2 ? Round to the nearest tenth if needed L Ca 2 B + 3 F2 → 2 BF3 25.8 g F2 ? 25.8 g F2 = g BF3 1 mol F2 ? 36 g F2 ? 2 mol BF3 ? 3 mol F2 ? 1 mol F2 = 1 mol BF3 = mol F2 = 1 mol BF3 ? 67.8 g BF3 ? Round to the nearest tenth if needed g F2 mol BF3 g BF3 g BF3 16.7 L K ? 2 K + 1 Br2 → 2 KBr 16.7 L K = L Br2 1 mol K ? 22.4 L K ? 1 mol Br2 2 mol K ? 22.4 L Br2 ? 1 mol Br2 ? 1 mol Br2 = 1 mol K = mol K = Round to the nearest tenth if needed mol Br2 L K L Br2 60.1 L P ? 3 Ca + 1 P = 1 Ca3P2 60.1 L P = mol Ca3P2 1 mol P ? 22.4 L P ? 1 mol P 1 mol Ca3P2 ? mol P = 1 mol P = Round to the nearest tenth if needed mol Ca3P2 mol Ca3P2 L P 62.1 mol HBr ? 1 H2 + 1 Br2 → 2 HBr 62.1 mol HBr = particles Br2 1 mol Br2 ? 2 mol HBr ? 1 mol Br2 6.022x1023 particles Br2 ? mol Br2 = 6.022x1023 Br2 mol HBr = Round to the nearest tenth if needed mol Br2 |