chemchick chemchick
  • 16-07-2016
  • Chemistry
contestada

calculate the number of atoms in 0.377 grams of ar

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 17-07-2016
Molar mass Argon ( Ar ) = 39.95  g/mol

39.95 g ---------------- 6.02 x 10²³ atoms
0.377 g ---------------- ( atoms Ar )

( atoms Ar ) = 0.377 x ( 6.02 x 10²³ ) / 39.95

( atoms Ar ) = 2.26954 x 10²³ / 39.95

= 5.68 x 10²¹ atoms Ar

hope this helps!
Answer Link

Otras preguntas

write the meaning of the word respect in acrostic poem​
Please help me find the surface area.
Picture Perfect By Marie Devers Which statement BEST describes the theme of this story? A) Yearbooks are very difficult to make. B) Every person can contribute
A computer loses half of its value every two year. If the computer costs $75 after 6 years, how much did the computer cost initially?
Which right did the states have under the articles of confederation
PLEASE HELPP I NEED RN
Find the surface area of a cylinder with a base radius of 2in and a height of 4in use the value 3.14 for n
there are only r red counters and g green counters in a bag. a counter is taken at random from the bag. the probability that the counter is green is 4/9. the co
Leila wanted to order her IFTAR meal from La Gondola, Al Khobar. The menu stated that their pasta is a blend of wheat and corn. La Gondola does not disclose the
Which statement below is true of the two figures?