INSTRUCTIONS:  1. Please enumerate all given values. 2. Identify all unknown values 3. Write the formula first before substituting the values. 4. Enclose final answers in boxes. 5. Do not round off immediately. Consider the whole value during computations. 6. Since the final answer is the equilibrium constant (Kc), express the final answer in scientific notation with 2 significant figures only.   PROBLEM: If 1.236 g of COCl2(g) is placed in a 500 mL container at 400°C , then 16% of the COCl2(g) is dissociated to CO(g) and Cl2(g) when equilibrium is established. What are the equilibrium concentrations of the different species? Calculate Kc value for the equilibrium at 400°C.    COCl2: 98.92 g/mol CO: 28.01 g/mol Cl2: 70.91 g/mol

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.