Didiquake Didiquake
  • 01-07-2017
  • Chemistry
contestada

What is the mass, in grams, of a sample of 1.72 × 1023 atoms of potassium (K)?

Respuesta :

LeChatNoir
LeChatNoir LeChatNoir
  • 01-07-2017
6,02×10²³ ------ 39g
1,72×10²³ ------- X
X = (39×1,72×10²³)/6,02×10²³
X = 11,143g K
Answer Link

Otras preguntas

Circle 1 is centered at (6, 8) and has a radius of 8 units. Circle 2 is centered at (6, −3) and has a radius of 2 units. What transformations can be applied to
One Algebra question. Thank you :D
12 is 40% of __? please explain
paul bought a package of 6 spiral notebooks for a total cost of $13.50. Which equation represents p the cost in dollars of each notebook?A. p= 13.50- 6B. p= 13.
Find the solution of the given initial value problem. y(4) + 2y''' + y'' + 8y' − 12y = 12 sin t − e−t; y(0) = 7, y'(0) = 0, y''(0) = −1, y'''(0) = 4 y(t) =
PLEASE ANSWER If The Fed reduces interest rates will banks make more loans or fewer loans?
Which political figure called Ronald Reagan's policies on South Africa "immoral, evil, and totally non-Christian"?
Change each of these compound sentences into a simple sentence with a compound subject or object. Gracie talked to William at school, and she talked to me at sc
PLZ HELPWhat is the radius and diameter of the following circle?
Please help me on A, B, and C