ebiondillo7893 ebiondillo7893
  • 13-10-2017
  • Chemistry
contestada

What is the mass of 5.40×1021 platinum atoms?

Respuesta :

Kalahira
Kalahira Kalahira
  • 23-10-2017
Moles = 4.81 x 10^21 / 6.02 x 10^23 =0.00799 Mass = 0.00897009966 mol x 195.08 g/mol = 1.74988704 grams = ~ 1.75 grams
Answer Link

Otras preguntas

We're is ceuta located
Which is cheaper for a $56 item that cost $9.25 to ship. a 15% coupon off the cost of the item or free shipping?
URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!! The greatest gains from resistance training can be seen in ________ . 3-5 weeks 6-8 weeks 1-2 weels
what would happen if you didnt sit on a jury
A still weather vane is an example of ________ energy. A. Kinetic B. Potential
why doesn't alcohol use alleviate problems ?
If the heat involved in a chemical reaction has a negative sign, A. heat is lost to the surroundings. B. heat is gained from the surroundings. C. no heat is
Write an equation for the translation of y = |x|. 2 units down. (1 point) A.y = |x| + 2 B.y = |x| – 2 C.y = |x – 2| D.y = |–2x|
Which pattern of organization arranges similar items into categories?
what was the hardest part of making an obelisk in ancient Egypt?