120gm of NaOH is dissolved in 2L of solution. What is molarity?

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

If 0.4gm of NaOH is present in 60 ml of solution. What is the molarity and normality [M. wt . Of NaOH = 40]

117 gm NaCl is dissolved in 500 ml aqueous solution. Find the molarity of the solution.