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At 298 K, 550 g of D2O (20 g/mole, densi...

At 298 K, 550 g of `D_2O` (20 g/mole, density 1-10 g/mL) and 498.5 g of `H_2O` (18 g/mole, density 0.997 g/mL) are mixed. The volumes are additive. 47.0% of Chemical Equilibrium the `H_2O` reacts to form HDO. Calculate `K_c` at 298 K for the reaction `H_2O+D_2O Leftrightarrow 2HDO`

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