What do you mean by STP and SATP? - QS Study
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STP :

The full name of STP is Standard Temperature and Pressure. In this method temperatures and pressures are considered as 0°C or 273 K and 1 atm respectively and molar volume is 22.4 litres/mole.

SATP :

The full name of SATP is Standard Ambient Temperature and Pressure. In this method temperature and pressure are considered as 25°C or 298 k and 102 K Pa respectively and molar volume is 24.789 litres.