At 25°C vapour pressure of water is 23 mm of Hg. If partial pressure of water vapour in air at 25°C is 18.4 mm of Hg, the percentage relative humidity in air is how many multiple of ten?

At 25°C vapour pressure of water is 23 mm of Hg. If partial pressure

1.	At 25°C vapour pressure of water is 23 mm of Hg. If partial pressure of water vapour in air at 25°C is 18.4 mm of Hg, the percentage relative humidity in air is how many multiple of ten?
Answer» SOLUTION :R.H % = `(18.4)/(23) XX 100 = 8`