hfjdhdhsus
hfjdhdhsus
19-03-2021
Chemistry
contestada
How many atoms in 98.2 g of He?
Respuesta :
impossiblegrillp
impossiblegrillp
19-03-2021
023x10^23 He atoms. 1 mole Of Helium = Weight of Helium/4Weight of Helium = 1*4 = 4 grams 1 mole of Helium contains 6.023*10²³ (Avogadro number) atoms. MULTIPLY BY 98.2g FOR COMPLETE ANSWER
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
Which helping verb agrees with the subject and correctly completes the verb phrase? The politician __________ elected by the majority. A. are B. were C. was D.
Which word correctly completes the sentence? __________ down and go to sleep. A. Lay B. Lie
in the book "unbroken" what inspires Louie to keep going and push through impossible odds
Which pronoun agrees with the antecedent in the sentence? Did either of the computers come with __________ instructions? A. theirs B. its C. their D. it's
what is the relative location of the alps
explain what roles behavior plays for animals
How did the Roman government keep poor Romans from rebelling? A. the government offered them bread and circuses B. soldiers killed anyone who complained C. t
describe two ways that setting fishing limits can help protect fish species
HOW DO I FIND THE PERIMETER OF A SEMICIRCLE WITH A RADIUS OF 9MM ?
after hitler came to power in 1933, he blamed Germany's defeat in world war 1 on ?
