`20` gram `NaOH` is dissolved in water to, prepare `250ml` solution .Find
a) Number of moles of NaOH ?
b) Find molarity of resulting solutions?

8g NaOH is dissolved in one litre of solution, its molarity is

How many grams of NaOH should be added to water to prepare 250 ml solution of 2 M NaOH?

(a) Sample of NaOH weighing 0.38 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 ? (b) How many moles of NaOH are contained in 27 mL of 0.15 M NaOH solution ?

1.26 of hydrated oxalic acid was dissolved in water to prepare 250 ml of solution. Calculate molarity of solution

1.26g of crystalline oxalic acid was dissolved in water to prepare 250 ml of solution. Calculate molarity of solution.