estvega1717 estvega1717
  • 19-12-2020
  • Chemistry
contestada

A balloon contains 12.1 L of helium gas at STP. What is the mass in grams of He in the balloon?

Respuesta :

raduoprea160
raduoprea160 raduoprea160
  • 19-12-2020

Answer:\

1.08 grams

Explanation:

first, we need to find the number of moles

we divide 12.1/22.4=0.54 moles

we multiply the number of moles with the molecular mass 0.54x2=1.08g

Answer Link

Otras preguntas

Which industry benefited from the invention of the flying shuttle in the 1730s? A. textiles B. coal mining C. transportation D. iron making
what is a rational number between 1/6 and 1/12
How many digits can the product of two 2-digit numbers have ?
who discovered the heliocentric theory
What is the purpose of controlling the environment when testing a hypothesis? 1.It allows the scientist to determine the effect of the changed variable. 2.It al
How do write 3 15/44 as a decimal
In your opninion which is better men of faith and character or men of knowledge? Explain!
what type of mixture is salad dressing
Tim estimates that 60÷5.7 is about 10.Will the actual quotient be greater than 10 explain
Using vivid imagery, describe a Gothic setting that could be symbolic. Your description should be four to six sentences.