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

A circle with a diameter of 30 in., and a central angle of 240°, what is the arc length, s
ither Stacy or Amy will remember _____ baseball glove. Which personal pronoun agrees with the underlined compound antecedent? its her their his
Which of the following should you do if you find yourself in the middles of an avalanche?
yoko pays $19.60 for a pack of 4 towels. find the unit price in dollars per towel if necessary round your answer to the nearest cent
What was the Albany Plan of Union?
Approximately what percentage of energy is available from one trophic level to the next? where does the remaining energy go
what was the declatory act?
Which of the following is soluble in water? Cu(OH)2 PbSO4 RbNO3 Ca3(PO4)2
Wave action and plate movement are significant factors in the formation of
Solve for x given the solution square root x plus 9 minus 4 equals 1