barb0ie7dayalairren barb0ie7dayalairren

24-11-2016
Chemistry

contestada

Determine the number of moles of N atoms in 46.5g of Mg(NO3)2

Respuesta :

scme1702 scme1702

27-11-2016

First, we determine the moles of Mg(NO₃)₂ present:
moles = mass / Mr
= 46.5 / (24 + 2 x (14 + 16 x 3))
= 0.4 mole

Each mole of Mg(NO₃)₂ contains 2 moles of Nitrogen atoms.
Moles Nitrogen = 0.4 x 2
= 0.8 mole

Answer Link

Otras preguntas

how does the peppered moth increase survival?

Identify one example of a policy or part of the U.S. Constitution that increased the power of the federal government. Explain how it was able to tip the balance

Which Norse god created the Earth and the human race? A. Frey B. Odin C. Thor

Look at ΔABC. Which triangle is congruent to ΔABC by the ASA criterion? triangle 1 triangle 2 triangle 3 triangle 4

-5[4-(-3)(2)] how to solve this

Which joiner shows a contrast between coordinate ideas? nevertheless consequently neither . . . nor likewise

The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _______.

How did the excommunication of Emperor Leo III affect the Roman Empire during the eighth century? It was a major break in relations between the East and the Wes

Which statement is true regarding the functions on the graph? A) f(2) = g(2) B) f(0) = g(0) C) f(2) = g(0) D) f(0) = g(2)

how to say 10: 35 in Spanish