With what volume of 2.5 M HF will 7.8 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH)₂ → CaF₂ + 2H₂O? A) 2.0 × 10¹ mL B) 3.1 × 10¹ mL C) 2.0 × 10² mL D) 8.4 × 10¹ mL E) 4.2 × 10¹ mL

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The Answer of With what volume of 2.5 M HF will 7.8 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH)₂ → CaF₂ + 2H₂O? A) 2.0 × 10¹ mL B) 3.1 × 10¹ mL C) 2.0 × 10² mL D) 8.4 × 10¹ mL E) 4.2 × 10¹ mL

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