JEE Main Chemistry question

ChemistrySolutionsJEE Main

1 kg of NaOH solution contains 4 g of NaOH. The approximate concentration of the solution is:

Answer: (B)

Solution

Taking the solution's density as kg/L, 1 kg 1 L. Moles NaOH mol, giving a concentration of 0.1 molar.

Question ID VK-130814