thebpss thebpss
  • 22-09-2021
  • Chemistry
contestada

What is the mole of 125 mg of Na? How many Na atoms?

Respuesta :

smileybrendan2000 smileybrendan2000
  • 22-09-2021
(125 mg Na) x (1 g/1000mg) x (1 mol of Na/22.99 g) = 5.43 E -3 mols of Na

5.43 E -3 mols x 6.022 E 23 = 3.27 E 21 Na atoms
Answer Link

Otras preguntas

Your friend is participating in a strenuous world-class competition that lasts for over four hours. What would you recommend to your friend?​
ethnic is to Irish as religious is to
Muy bien Diego abrio______en el banco?
Need help with the left side
Issues such as aesthetics, morality, and religion can usually be resolved through empirical research. a. True b. False
Which of the following is true about photosynthesis A. Water is product B. Most reactions within this process are exothermic. C. Oxygen is a reactant. D. Car
why is graphite non-malleable
A population of pea plants has 25% dwarf plants and 75% tall plants. the tall allele, t, is dominant to dwarf (t). what percentage of tall plants is heterozygou
what are two questions do you need to ask when evaluating a deductive argument answer
Toby buys a new MP3 player for a price of $45.50. What is the total amount his credit card is charged if the sales tax is 7%?