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 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

What events led Luther to write the Ninety-five Theses?
A ana ___ gustan las enchiladas
In chapter 16 of To Kill a Mockingbird, Symbolically, what does the physical structure of the courthouse show us about the people of Maycomb?
The interaction of air, water, and ____ causes weather.
Why were the Balkans so important to Germany's war effort? It offered a warm-water port. It supplied much of the oil and gas. Many German soldiers came from the
Ella wants to use the commutative property of multiplication to help find the product 5 x 4. what number sentence can she use
Which energy changes are associated with a liquid freezing?
What are factors of 45 that add up to -6???
Determine the mechanical energy of this object: a 1-kg ball sits on a 10-meter high cliff. A. The ball isn't moving, so the mechanical energy is zero B. 10 J C.
What is the area if this figure