Answer:
The volume of NaOH solution is 0.532 L.
Step 1. Calculate the moles of NaOH.
Moles = 11.5 g NaOH * (1 mol NaOH/40.00 g NaOH) = 0.2875 mol NaOH
Step 2. Calculate the volume of NaOH
Volume = 0.2875 mol NaOH * (1 L NaOH/0.540 mol NaOH) = 0.532 L
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The correct answer is D. Covalent Bond
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Although it is omitted, the reaction equation for the decomposition of phosphorus pentachloride is:
PCl₅ → PCl₃ + Cl₂
The equilibrium constant's equation then becomes:
Kc = [PCl₃]*[Cl₂] / [PCl₅]
Kc = (0.02 * 0.02) / 0.0095
Kc = 0.042
The equilibrium constant is 0.042.
