four students measured the mass of a piece of metal whose accurate mass is 34.75g. their result are 34.2g,33.75g,35.0g and 34.69
2 answers:
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Standard temperature is 273 K
Standard pressure is 1 atm
We use the ideal gas equation to find out density of nitrogen gas in g/L
Ideal gas equation:
Molar mass of
Pressure = 1 atm
Temperature = 273 K
= 1.25 g/L
Therefore, density of nitrogen gas at STP is 1.25 g/L