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

Why was slaves resisting be a good thing?
5. If the longer side of the rectangle is 25.5 in., what are its width, perimeter, and area?
Research and compare 4 different kinds of modern governments
Which function is represented by the graph?
what is geography and tell me more about wetlands​
Determine the value of y. 135° 27°
what makes science an exact science
Write an inequality for the graph shown below. Use x for your variable. -11-10-9 -8 -7 -6 -5 -4 -3 -2 -1 0 4 2 w. O ロマロ X S 6 7 8 口<口 S 9 10 11 X OSO ?
Which two of Shakespeare's plays are entirely written in verse?
Drinking alcohol during pregnancy negatively impacts development of the fetus because