Question

the answer is A ...but i need to know how to work the problem

16) _ 16) How many atoms of Ar gas are present in a 340 mL container at 55°C and 720 mmHg? A) 4.3 x 1022 Ar atoms B) 7.2 x 1021 Ar atoms E11.7x1024 Ar atoms D) 0.012 Ar atoms E) 2.9 x 1023 Ar atoms L Lant in ralanced when a 17

Answer 1

volume q Arógens (V) = 340mL = 0.34010 Temperature (T) = 55€+ 273=1328;k pressure (P) = 720mmity = 0.947 atm gas constant (R) = 0.0821 lit atmiemā noof molksong = 9 Adid pu= nRT boshuis Hoeite si na nia Pv0.947 atyn x 0.3404. RT 0.082 it at a ''320K Sen = 0.0119 molins 6.022 x role; 21 Bolje limole + 6.0 0.0119 moh by some = 0.01097 61023 X 10 Big bus? no 0.07167 X10S cs Scanned with 7-16816 72"X10 CamScanner Ar at ans