The factorys alkali refining process uses a 30 concentration NaOH solution Within the factory there is a tank containing more than 200 tons of the alkali solution The daily consumption is calcula

The factory employs an alkali refining process that utilizes a 30% concentration NaOH solution. A large tank within the factory holds more than 200 tons of this alkali solution, and the daily consumption is determined by measuring the difference in the level gauge of the tank.