Question

The weight of NaOH present in 100cm3 of its semimolar solution is : a)2 gm b)4gm c)40gm d)8gm

Answer 1

Explanation:

you will need to dissolve 40 g of sodium hydroxide in one liter of water to get one liter of 1 molar solution. 2. 2M NaOH: So if we make 2 M just double the amounts, i.e., 40 g x 2 = 80 g of pellets NaOH and QS to 1.0 liter.