Question

weight of 2L of nitrogen at N.T.P is ____

please write full method..❤❤​

Answer 1

2.33g

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Answer 2

NTP stands for Normal Temperature and Pressure

At normal condition the temperature is 20 C or 293 K  

And pressure 1 atm  

First calculate the moles of nitrogen at these condition as follows:

Mole of gas , n =  PV/RT

= 1 atm * 2 L/ 0.08206 L atm / mole.K *293 K

= 0.083 moles

Weight of N2 = number of moles * molar mass

= 0.083 moles*  28.01340  g/ mole

= 2.33 g