naveedafarooq naveedafarooq
  • 03-06-2017
  • Chemistry
contestada

which mass of urea CO(NH2)2 contain the same mass of nitrogen as 101.1g of potassium nitrate?

Respuesta :

dec77cat dec77cat
  • 03-06-2017
M(KNO₃)=101.1 g/mol
M(CO(NH₂)₂)=60.1 g/mol

m(N)=M(N)m(KNO₃)/M(KNO₃)

m(N)=2M(N)m(CO(NH₂)₂)/M(CO(NH₂)₂)

2m(CO(NH₂)₂)/M(CO(NH₂)₂)=m(KNO₃)/M(KNO₃)

m(CO(NH₂)₂)=M(CO(NH₂)₂)m(KNO₃)/(2M(KNO₃))

m(CO(NH₂)₂)=60.1*101.1/(2*101.1)=30.05 g
Answer Link

Otras preguntas

Who wrote very strict laws that influenced Hebrew and Islamic laws today?
Write the correct verb: hay, or a form of the verb tener. 1. The embassy is a long way from here. ____________ que tomar un taxi. 2. The verbs are important. I
After visiting the Titanic, Captain Ngoc and Commander Chris are taking the SSN-21 Seawolf submarine back to the surface of the water. They start 2000 meters be
Which form of decay produces a nucleus similar to the element helium?
What is the difference between a province and a state?
You are holding a stock that has a beta of 1.39 and is currently in equilibrium. The required return on the stock is 20.47%, and the expected return on the mark
A race horse runs one lap around a lake in 10 minutes. How long will it take for the horse to run 6 laps around the lake at the same pace?
If f (2) = 60 – 5. find x for f (x) = 13
Which ordered pair is NOT a solution to the inequality in the graph? (5,1) (4,6) (0,0) (-2,-8)
ILL GIVE BRAINLIEST AND 10 POINTS