A sample of NaOH weighing 0.38g is dissolved in water and the solution is made to 50.0 mL in a volumetric flask. What is the molarity of the resulting solution?
Gram equivalent is given as =
Gram equivalent of NaOH = 
Volume of solution = 250 mL
Normality is given as =
A solution is prepared by dissolving 5.3g of Na2CO3 in distilled water to give 500 mL of solution. Calculate the molarity of the solution.
Calculate the molarity of NaOH in the solution prepared by dissolving its 4g in enough water to form 250mL of the solution.
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