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

Which best describes the reactants and products of photosynthesis? A. Reactants are formed inside the plant, and products are taken in from the environment by t

The word gratitude contains a root that means "cheerful." "polite." "joyous." "pleasing.

g=x-c+y, solve for x

There are 200 Hungarian Forints to $1. How many Hungarian Forints are there in $150?

How is lithium atom li different from a lithium

I really really need help, please

1. y = log x Domain: Range: Asymptote: Intercept(s): End Behavior: Graph!!!! Pls help!!

Imagine that a disorder that causes the cell cycle to stop affects the muscle cells of a frog’s leg. What consequence is most likely to follow? The frog will no

Acoke can with inner diameter(di) of 75 mm, and wall thickness (t) of 0.1 mm, has internal pressure (pi) of 150 KPa and is suffered from a torque (T) of 100 Nma

What is the distance between -3 and 2 on the number line? A.-5B.-1C.1D.5