A solution of NaOH is prepared by diluting 25.00 mL of 1.23 M NaOH in a 100.0 mL volumetric…

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3. A solution of NaOH is prepared by diluting 25.00 mL of 1.23 M NaOH in a 100.0 mL volumetric flask. Calculate the dilute concentration of NaOH with correct decimal places/significant figures. 4. A solution of Na2CO3 was prepared by diluting 2.4312 g with water in a 250.0 mL volumetric flask. Calculate the following with correct decimal places/significant figures: a. The MW of Na2CO3 considering the MW of sodium, carbon and oxygen are 22.98976, 12.000 and 15.9994 g/mol, respectively. b. The concentration of the solution.

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