JEE Main 31-Aug-2021 Shift 2 Solved Paper

Sodium oxide reacts with water to produce sodium hydroxide. 20.0g of sodium oxide is dissolved in 500‌mL of water. Neglecting the change in volume, the concentration of the resulting NaOH solution is ......×10−1M.(Nearest integer)
[Atomic mass: Na=23.0,O=16.0,H=1.0]