To measure CH4 by displacement. In 1L of a 5% sodium hydroxide solution how much phenolphthalein I need to add to know when it get saturated with CO2?

I want to add phenolphtalein in a solution of sodium hydroxide that I will use to measure methane by displacement. The solution will be 5% sodium hydroxide to dissolve CO2 and only measure methane...

07 July 2018 1,047 1 View