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How many gram of sodium are required to produce 20 L of hydrogen gas at 25degrees and 750 torr?

Sagot :

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Answer:

1] Given the equation: 2 NH3 (g) + 3 Cl2(g) ---> N2(g) + 6 HCl(g)

a. How many milliliters of nitrogen can be made from 13 L of chlorine and 10.0 L of ammonia gas at STP?

10.0 L NH3 X

1 L N2

2 L NH3 = 5.00 L N2

13 L Cl2 X

1 L N2

3 L Cl2

= 4.3 L N2

Answer ________4.3 x 103 mL N2_________

b. How many grams of chlorine must react to produce 16 L of nitrogen gas at 1.2 atm and 23oC?

nN2 = (1.2atm) x (16L)

(0.0821

L-atm

mol-K) x (273+23)K

= 0.790 mol N2

0.790 mol N2 X

3mol Cl2

1mol N2

X 70.1g Cl2

1mol = 1.66 x 102 L Cl2

Explanation:

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