Asked by Jack
Based on the chemical reaction below, answer the following questions:
2NH3 + 3CuO ---> 3Cu + N2 + 3H2O
1. How many grams of CuO are needed to make 1500.0mL of at N2 STP?
Answer: 5625g
2. How many moles of Cu are produced when 12.50g of NH3 are used at 1000mmHg and 30 degrees Celsius?
Answer: 18.75
3. Determine the mass of all the products produced when 5mol of CuO is used during the reaction.
Answer:11.67
2NH3 + 3CuO ---> 3Cu + N2 + 3H2O
1. How many grams of CuO are needed to make 1500.0mL of at N2 STP?
Answer: 5625g
2. How many moles of Cu are produced when 12.50g of NH3 are used at 1000mmHg and 30 degrees Celsius?
Answer: 18.75
3. Determine the mass of all the products produced when 5mol of CuO is used during the reaction.
Answer:11.67
Answers
Answered by
oobleck
1 mole fills 22.4L at STP
so you want 1.5/22.4 = 0.06697 moles of N2
The equation says you will need 3*.06697 = 0.2 moles of CuO = 15.91g
Hmmm. Care to show your calculations?
so you want 1.5/22.4 = 0.06697 moles of N2
The equation says you will need 3*.06697 = 0.2 moles of CuO = 15.91g
Hmmm. Care to show your calculations?
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