To prepare a solution of KCl, you weigh out 1.5672 (± 0.0003) g and dissolve it in a volumetric flask of 250.00 (±0.50) mL in volume. Express the molarity of the solution and its uncertainty with an appropriate number of significant figures. (Formula mass of KCl is 74.551 ± 0.004 g/mol).

To prepare a solution of KCl, you weigh out 1.5672 (± 0.0003) g and dissolve it in a volumetric flask of 250.00 (±0.50) mL in volume. Express the molarity of the solution and its uncertainty with an appropriate number of significant figures. (Formula mass of KCl is 74.551 ± 0.004 g/mol).

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