haulenback haulenback
  • 09-10-2016
  • Chemistry
contestada

How many copper atoms are in 150 g of copper metal

Respuesta :

soji
soji soji
  • 10-10-2016
1. From grams -> mole:

=grams given x 1 mol/molar mass

So 150 g Cu x 1 mol Cu/63.546 g Cu = 2.4 mol Cu

2. From mole -> atoms

=number of mol x 6.022x10^22 atoms/1 mol

So 2.4 mol Cu x 6.022x10^22 atoms Cu/1 mol Cu = 1.4 x 10^24 atoms Cu
Answer Link

Otras preguntas

Why were the smaller states in favor of the New Jersey Plan?Answer: They wanted equal representation with the larger states.
What are the four basic rights that eleanor roosevelt believes every citizen in a democracy should enjoy?
What are the 26 small bones that make up the backbone called
Please help!! Chemistry!! Important!! Will mark brainiliest 1. The half-reaction 2MnO2 + H2O + 2e- Mn2O3 is missing a. electrons b. OH- ions c. Mn2+ ions d. O2
Simplify the expression 20/(9-2)
y=(4x-5)^5(5-x^3)^4 DxY= ????
If an astronaut travels to different planets , witch of the following planets will the astronauts weight be the same as on earth ?
there is a photo attached
What is the factored form of the expression over the complex numbers? 121x2+36y2 (11x+6y)(11x−6y) (11x+6iy)(11x−6iy) (11x−6iy)(11x−6iy) (11x+6iy)(11x+6iy)
Work out the value of (6.8 x 10^2) x (1.3 x 10^-3) give your answer in standard form.