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Virty [35]
3 years ago
10

Calculate the number of liters occupied at STP. A. 1.7 mol H2. B. 1.8 x10(-2) mol N2. C. 2.5 x10(2) mol O2

Chemistry
1 answer:
bezimeni [28]3 years ago
3 0
Ideal Gas equation will be used assuming all the gases are acting Ideally,

                                                 P V  =  n R T
Solving for V,
                                                 V  =  n R T / P    ----- (1)

Standard Temperature  = 273 K

Standart Pressure  =  1 atm

Gas Constant R  =  0.08206 atm.L.mol⁻¹.K⁻¹

1) For 1.7 mole of H₂;
                                   
Putting values in eq.1,

                   V  =  (1.7 mol × 0.08206 atm.L.mol⁻¹.K⁻¹ × 273 K) ÷ 1 atm

                   V  =  38.08 L

2) For 1.8 ×10⁻² mole of N₂;
                                    
Putting values in eq.1,

                   V  =  (1.8 ×10⁻² mol × 0.08206 atm.L.mol⁻¹.K⁻¹ × 273 K) ÷ 1 atm

                   V  =  0.403 L

3) For 2.5 ×10² mole of O₂;
                                    
Putting values in eq.1,

                   V  =  (2.5 ×10² mol × 0.08206 atm.L.mol⁻¹.K⁻¹ × 273 K) ÷ 1 atm

                   V  =  5600 L
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