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

im really not sure with my answer, please tell which is the correct choice.
no.of atoms in 12g of He​
Who was president during the fall of the berlin wall and the end of the soviet union? o jimmy carter o bill clinton o george h.w. bush o ronald reagan
What region of the brain is responsible for complex thinking.
घ) आर्थिक मानव भनेको के हो ?​
4. Read the text again. Answer the questions. a. Why is it good to comunicate with foreign visitors in their own language? b. Where do a lot of IT companies hav
Lymph is collected from the body’s organs.
Prompt In October 2018, the recreational use of cannabis became legalized in Canada. Questions 1. Discuss the pros and cons of the legalization of recreational
Which energy source has been developed and improved by chemists? A. coal B. wind C. battery please don't say nuclear as it is quite literally not a choice.
i am BEGGING FOR HELP on this question please help IM GIVING 5 STAR AND BRAINLIEST PLEASE ANSWER QUICKLY PLEASE ⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️