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1) A sample of ammonium nitrate occupies 65.0 liters at STP. How many molecules is this? 2) What is the mass of the sample ammonium nitrate in Problem 1?

1) A sample of ammonium nitrate occupies 65.0 liters at STP. How many molecules is this?
2) What is the mass of the sample ammonium nitrate in Problem 1?

Grade:9

1 Answers

Vikas TU
14149 Points
7 years ago
Moles at stp => 65/22.4 = > 2.90 moles.
No. of molecules = 2.90 x 6.023 x 10^23 = 17.44 x 10^23.
 
mass of Aluminium nitrate = > 2.90 x 213 = 618 gm approx. 

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