glennsheila346 glennsheila346
  • 01-03-2021
  • Chemistry
contestada

how many moles are in 20 grams of Ar?​

Respuesta :

drpelezo
drpelezo drpelezo
  • 01-03-2021

Answer:

moles Ar in 20g = 0.500 mole Ar

Explanation:

moles = grams given / formula weight = 20g / 39.948g·mol⁻¹ = 0.500 mole Ar

Answer Link

Otras preguntas

What is the correct possessive form of bridges? bridges bridges’ bridges’s bridge’s
apathy A. being aware of B. lack of feeling C. sense of excitement D. lack of trust
What is an emotional appeal? an appeal that addresses the reader’s feelings an appeal based on sound reasoning an appeal to authority that establishes credibili
Determine the nature of the roots: 5x^2+20x+20=0 a. no real solutions c. cannot be determined b. a unique real solution d. two distinct real solutions
An important factor in the development of the British Empire in the 19th century was its __________.
factorise :12(x²+7)²-8(x²+7)(2x-1)-15(2x-1)²
Which of the following are incorrectly capitalized? doctor Nelson Appalachian mountains ethiopian cuisine uncle Pauly algebra I T.S. Eliot society
Which term refers to the energy emitted when an electron moves from a higher energy level to a lower one?
Which statement presents an unsound argument? Women are capable of working as firefighters because many are employed in cities across the United States. Women s
Which outcome resulted from the period of Prohibition in the United States?